C++程序设计教程第2版高等教育出版社第15章答案.docx
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C++程序设计教程第2版高等教育出版社第15章答案
第一章
示用户输入3个小数
2.显示这3个小数
3.将这三个小数相加并显示其结果
4.将结果按四舍五入发转换成整数并显示*/
#include
usingnamespacestd;
intmain()
{
longdoublea,b,c,d;
system("color1e");
cout<<"请输入3个小数:
"<cin>>a>>b>>c;system("cls");cout<<"你输入的是"<system("echo按任意键继续&pause>nul");d=a+b+c;system("cls");cout< system("echo按任意键继续&pause>nul");if(a-int(a)<a=int(a);elsea=int(a)+1;if(b-int(b)<b=int(b);elseb=int(b)+1;if(c-int(c)<c=int(c);elsec=int(c)+1;system("cls");cout<<"你输入的数进行四舍五入后是"< system("echo按任意键结束&pause>nul");return0;}.+10!#includeusingnamespacestd;voidmain(){doublen,i,a,s=0;for(n=1;n<11;n++){a=1;for(i=1;i{a=a*i;}s=s+a;}cout<<"1!+2!+...+10!="<system("pause>nul");}/*编写程序求斐波那契数列的第n项和前n项和。斐波那契数列是形如0,1,1,2,3,5,8,13...的数列其通项为:F0=0F1=1Fn=F(n-1)+F(n-2)*/#includeusingnamespacestd;voidmain(){intn,a=0,b=1,c=0,i=0,d=0,j=0;cout<<"请输入n值:"<cin>>n;if(n==2){c=1;gotoend;}loop:while(i{c=a+b;a=b;b=c;i=i+1;while(j{d=c+d;j=j+1;gotoloop;}}end:system("cls");cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
cin>>a>>b>>c;
system("cls");
cout<<"你输入的是"<system("echo按任意键继续&pause>nul");d=a+b+c;system("cls");cout< system("echo按任意键继续&pause>nul");if(a-int(a)<a=int(a);elsea=int(a)+1;if(b-int(b)<b=int(b);elseb=int(b)+1;if(c-int(c)<c=int(c);elsec=int(c)+1;system("cls");cout<<"你输入的数进行四舍五入后是"< system("echo按任意键结束&pause>nul");return0;}.+10!#includeusingnamespacestd;voidmain(){doublen,i,a,s=0;for(n=1;n<11;n++){a=1;for(i=1;i{a=a*i;}s=s+a;}cout<<"1!+2!+...+10!="<system("pause>nul");}/*编写程序求斐波那契数列的第n项和前n项和。斐波那契数列是形如0,1,1,2,3,5,8,13...的数列其通项为:F0=0F1=1Fn=F(n-1)+F(n-2)*/#includeusingnamespacestd;voidmain(){intn,a=0,b=1,c=0,i=0,d=0,j=0;cout<<"请输入n值:"<cin>>n;if(n==2){c=1;gotoend;}loop:while(i{c=a+b;a=b;b=c;i=i+1;while(j{d=c+d;j=j+1;gotoloop;}}end:system("cls");cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
system("echo按任意键继续&pause>nul");
d=a+b+c;
cout< system("echo按任意键继续&pause>nul");if(a-int(a)<a=int(a);elsea=int(a)+1;if(b-int(b)<b=int(b);elseb=int(b)+1;if(c-int(c)<c=int(c);elsec=int(c)+1;system("cls");cout<<"你输入的数进行四舍五入后是"< system("echo按任意键结束&pause>nul");return0;}.+10!#includeusingnamespacestd;voidmain(){doublen,i,a,s=0;for(n=1;n<11;n++){a=1;for(i=1;i{a=a*i;}s=s+a;}cout<<"1!+2!+...+10!="<system("pause>nul");}/*编写程序求斐波那契数列的第n项和前n项和。斐波那契数列是形如0,1,1,2,3,5,8,13...的数列其通项为:F0=0F1=1Fn=F(n-1)+F(n-2)*/#includeusingnamespacestd;voidmain(){intn,a=0,b=1,c=0,i=0,d=0,j=0;cout<<"请输入n值:"<cin>>n;if(n==2){c=1;gotoend;}loop:while(i{c=a+b;a=b;b=c;i=i+1;while(j{d=c+d;j=j+1;gotoloop;}}end:system("cls");cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
if(a-int(a)<
a=int(a);
else
a=int(a)+1;
if(b-int(b)<
b=int(b);
b=int(b)+1;
if(c-int(c)<
c=int(c);
c=int(c)+1;
cout<<"你输入的数进行四舍五入后是"< system("echo按任意键结束&pause>nul");return0;}.+10!#includeusingnamespacestd;voidmain(){doublen,i,a,s=0;for(n=1;n<11;n++){a=1;for(i=1;i{a=a*i;}s=s+a;}cout<<"1!+2!+...+10!="<system("pause>nul");}/*编写程序求斐波那契数列的第n项和前n项和。斐波那契数列是形如0,1,1,2,3,5,8,13...的数列其通项为:F0=0F1=1Fn=F(n-1)+F(n-2)*/#includeusingnamespacestd;voidmain(){intn,a=0,b=1,c=0,i=0,d=0,j=0;cout<<"请输入n值:"<cin>>n;if(n==2){c=1;gotoend;}loop:while(i{c=a+b;a=b;b=c;i=i+1;while(j{d=c+d;j=j+1;gotoloop;}}end:system("cls");cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
system("echo按任意键结束&pause>nul");
return0;
}
.+10!
voidmain()
doublen,i,a,s=0;
for(n=1;n<11;n++)
a=1;
for(i=1;i{a=a*i;}s=s+a;}cout<<"1!+2!+...+10!="<system("pause>nul");}/*编写程序求斐波那契数列的第n项和前n项和。斐波那契数列是形如0,1,1,2,3,5,8,13...的数列其通项为:F0=0F1=1Fn=F(n-1)+F(n-2)*/#includeusingnamespacestd;voidmain(){intn,a=0,b=1,c=0,i=0,d=0,j=0;cout<<"请输入n值:"<cin>>n;if(n==2){c=1;gotoend;}loop:while(i{c=a+b;a=b;b=c;i=i+1;while(j{d=c+d;j=j+1;gotoloop;}}end:system("cls");cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
a=a*i;
s=s+a;
cout<<"1!
+2!
+...+10!
="<
system("pause>nul");
/*编写程序求斐波那契数列的第n项和前n项和。
斐波那契数列是形如0,1,1,2,3,5,8,13...的数列
其通项为:
F0=0
F1=1
Fn=F(n-1)+F(n-2)*/
intn,a=0,b=1,c=0,i=0,d=0,j=0;
cout<<"请输入n值:
"<cin>>n;if(n==2){c=1;gotoend;}loop:while(i{c=a+b;a=b;b=c;i=i+1;while(j{d=c+d;j=j+1;gotoloop;}}end:system("cls");cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
cin>>n;
if(n==2)
c=1;
gotoend;
loop:
while(i{c=a+b;a=b;b=c;i=i+1;while(j{d=c+d;j=j+1;gotoloop;}}end:system("cls");cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
c=a+b;
a=b;
b=c;
i=i+1;
while(j{d=c+d;j=j+1;gotoloop;}}end:system("cls");cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
d=c+d;
j=j+1;
gotoloop;
end:
cout<<"第"<"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
"<"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
"<system("pause>nul");}.+(2n)!x^(2n+1)/(2^2n*(n!)^2*(2n+1)+...,其中|x|<1#include#includeusingnamespacestd;doublejc(intm){doublei=0,p=m,k,t=1;do{i=i+1;p=p+1;k=p/i;t=t*k;}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
.+(2n)!
x^(2n+1)/(2^2n*(n!
)^2*(2n+1)+...,其中|x|<1
doublejc(intm)
doublei=0,p=m,k,t=1;
do{
p=p+1;
k=p/i;
t=t*k;
}while(ireturnt;}intmain(){doublesum=0;doublen=0;doublex,a,b,c,d;cout<<"请输入x的值(|x|<1):"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
returnt;
doublesum=0;
doublen=0;
doublex,a,b,c,d;
cout<<"请输入x的值(|x|<1):
"<cin>>x;do{b=2*n+1;a=pow(x,b);c=pow(2,b-1);d=jc(n)*a/c/b;sum=sum+d;n=n+1;}while(fabs(d)>;system("cls");cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
cin>>x;
b=2*n+1;
a=pow(x,b);
c=pow(2,b-1);
d=jc(n)*a/c/b;
sum=sum+d;
n=n+1;
}while(fabs(d)>;
cout<<"arcsin"<system("pause>nul");return0;}....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和#includeusingnamespacestd;voidmain(){doublenum1=,num2=,num3;doublenum=;doublesum=0;inti=1,n;cout<<"请输入项数n:"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
....(即后一项的分母为前一项的分子,后一项的分子为前一项分子与分母之和),求其前n项和
doublenum1=,num2=,num3;
doublenum=;
inti=1,n;
cout<<"请输入项数n:
"<cin>>n;do{num=num1/num2;sum+=num;num3=num1;num1=num1+num2;num2=num3;i=i+1;}while(i<=n);cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
num=num1/num2;
sum+=num;
num3=num1;
num1=num1+num2;
num2=num3;
}while(i<=n);
cout<<"原式="<system("pause>nul");}.+aaa...a(n个),其中a为1~9之间的整数#includeusingnamespacestd;voidmain(){inta,n,sum=0,num,i=1;cout<<"请输入a的值(1~9):";cin>>a;system("cls");cout<<"请输入n的值:";cin>>n;num=a;do{sum+=num;num=num*10+a;i+=1;}while(i<=n);cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
.+aaa...a(n个),其中a为1~9之间的整数
inta,n,sum=0,num,i=1;
cout<<"请输入a的值(1~9):
";
cin>>a;
cout<<"请输入n的值:
num=a;
num=num*10+a;
i+=1;
cout<<"原式="<system("pause>nul");}.,s[4]与s[5]互换,输出置逆后的数组#includeusingnamespacestd;voidmain(){system("msg%username%/time:1你将输入10个字符");intn=0;chars[11];do{cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
.,s[4]与s[5]互换,输出置逆后的数组
system("msg%username%/time:
1你将输入10个字符");
intn=0;
chars[11];
cout<<"请输入第"<";cin>>s[n];n+=1;system("cls");}while(n<10);cout<<"原字符数组为:";n=0;do{cout<n+=1;}while(n<10);n=n-1;do{s[10]=s[n];s[n]=s[9-n];s[9-n]=s[10];n-=1;}while(n>4);cout<<"\n新字符数组为:";n=0;do{cout<n+=1;}while(n<10);system("pause>nul");}/*替换加密(凯撒加密法)加密规则是:将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。对于字母表最后的3个字母,可将字母表看成是首末衔接的。例如字母c就用F来替换,字母y用B来替换。试将字符串“Iloveyou”译成密码*/#includeusingnamespacestd;voidmain(){chararray[11]="Iloveyou";intn=0;do{if(array[n]==0)array[n]=32;elseif(array[n]>64&&array[n]<88)array[n]=array[n]+35;elseif(array[n]>87&&array[n]<91)array[n]=array[n]+11;elseif(array[n]>96&&array[n]<120)array[n]=array[n]-29;elseif(array[n]>119)array[n]=array[n]-55;cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
cin>>s[n];
n+=1;
}while(n<10);
cout<<"原字符数组为:
n=0;
cout<
n=n-1;
s[10]=s[n];
s[n]=s[9-n];
s[9-n]=s[10];
n-=1;
}while(n>4);
cout<<"\n新字符数组为:
/*替换加密(凯撒加密法)
加密规则是:
将原来的小写字母用字母表中其后面的3个字母的大写形式来替换,大写字母按同样规则用小写字母替换。
对于字母表最后的3个字母,可将字母表看成是首末衔接的。
例如字母c就用F来替换,字母y用B来替换。
试将字符串“Iloveyou”译成密码*/
chararray[11]="Iloveyou";
if(array[n]==0)
array[n]=32;
elseif(array[n]>64&&array[n]<88)
array[n]=array[n]+35;
elseif(array[n]>87&&array[n]<91)
array[n]=array[n]+11;
elseif(array[n]>96&&array[n]<120)
array[n]=array[n]-29;
elseif(array[n]>119)
array[n]=array[n]-55;
cout<n+=1;}while(n<11);system("pause>nul");}第五章.*/#includeusingnamespacestd;intmain(){intarray[10][10];inti,j;for(i=0;i<10;i++){array[i][0]=1;array[i][i]=1;for(j=1;jarray[i][j]=array[i-1][j-1]+array[i-1][j];}for(i=0;i<10;i++){for(j=0;j<=i;j++)cout<cout<<"\n";}system("pause>nul");return0;}
}while(n<11);
第五章
.*/
intarray[10][10];
inti,j;
for(i=0;i<10;i++)
array[i][0]=1;
array[i][i]=1;
for(j=1;j
array[i][j]=array[i-1][j-1]+array[i-1][j];
for(j=0;j<=i;j++)
cout<cout<<"\n";}system("pause>nul");return0;}
cout<<"\n";
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