最新C++.docx

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最新C++.docx

最新C++

①#include

usingnamespacestd;

intmain(){

inta[10];

inti=0;

cout<<"请输入10个数组元素:

";

for(i=0;i<10;i++)

cin>>a[i];

intmax=a[0];

intindex=0;

for(i=1;i<10;i++){

if(max

max=a[i];

index=i;

}

}

cout<<"最大值为:

"<

"<

return0;

}

②#include

usingnamespacestd;

intmain()

{

inti,j,k,n=0;

for(i=1;i<=9;i++)//百位的数字

{

for(j=0;j<=9;j++)//十位的数字

{

if(j!

=i)//判断百位十位数字是否相等

{

for(k=1;k<=9;k+=2)//判断十位百位个位是否相等

{

if(k!

=j&&k!

=i)

{

n++;

}

}

}

}

}

cout<<"组合成的无重复数字的三位的奇数有"<

return0;

}

#include

usingnamespacestd;

intmain()

{

intyear;

charc;

do

{

cout<<"请输入要测试的年份:

";

cin>>year;

if(year<=0)

{

cout<<"您输入的年份不存在!

"<

}

elseif((year%100==0&&year%400==0)||(year%100!

=0&&year%4==0))

{

cout<

}

else

{

cout<

"<

}

cout<<"是否还要继续输入(y/n)?

";

cin>>c;

}while(c=='y');

return0;

}

④//错误

#include

#defineN10

usingnamespacestd;

intmain()

{

inti,j,k,m,a[N],a,num=22,n=0;

loop:

for(a=22;a<=num;a++)

{

{

for(i=0;i<=a/6;i++)

for(j=0;j<=a/9;j++)

for(m=0;m<=a/20;a++)

if(6*i+9*j+20*m==a)

{

gotoloop;

}

}

a[n]=a;

n++;

num*=2;

}

cout<

return0;

}

⑤//错误

#include

usingnamespacestd;

intmain()

{

inti,j,m,num=22,maxnum,flag,a;

for(a=22;a<=num;a++)

{

flag=1;

{

for(i=0;i<=a/6;i++)

for(j=0;j<=a/9;j++)

for(m=0;m<=a/20;a++)

if(6*i+9*j+20*m==a)

{

flag=0;

}

}

if(flag==0)

continue;

num=maxnum=a;

num*=2;

}

cout<

return0;

}

⑥//正确//稍有麻烦else:

continue:

#include

usingnamespacestd;

intmain()

{

inti,j,m,a,flag,maxnum,num=22;

for(a=22;a<=num;a++)

{

flag=1;

for(i=0;i<=a/6;i++)

for(j=0;j<=a/9;j++)

for(m=0;m<=a/20;m++)

{

if(6*i+9*j+20*m==a)

{

flag=0;

break;

}

else

{

continue;

}

}

if(flag==1)

{

num=maxnum=a;

num*=2;

}

}

cout<

return0;

}

⑦//错误

#include

usingnamespacestd;

intryear(int,int,int,int);

intpyear(int,int,int,int);

int_ryear(int,int,int);

int_pyear(int,int,int);

intmain()

{

inta,b,c,d,e,f,tday=0;

cout<<"请输入合理的起始年月日:

"<

cin>>a>>b>>c;

cout<<"请输入合理的终止年月日:

"<

cin>>d>>e>>f;

while(a

{

if((a%4==0&&a%100!

=0)||(a%100==0&&a%400==0))

ryear(a,b,c,tday);

else

pyear(a,b,c,tday);

break;

}//此时a已经加了1,执行完此次循环后

while(a

{

if((a%4==0&&a%100!

=0)||(a%100==0&&a%400==0))

tday+=366;

else

tday+=365;

a+=1;

}

while(a==d)

{

if((a%4==0&&a%100!

=0)||(a%100==0&&a%400==0))

_ryear(e-1,f,tday);

else

_pyear(e-1,f,tday);

break;

}

cout<<"两日期共相差了:

"<

return0;

}

intryear(inta,intb,intc,inttday)

{

do

{

switch(b)

{

case1:

case3:

case5:

case7:

case8:

case10:

case12:

tday=31-c+tday;

break;

case4:

case6:

case9:

case11:

tday=30-c+tday;

break;

case2:

tday=29-c+tday;

break;

}

b+=1;

c=0;

}while(b<=12);

a+=1;

returntday;

}

intpyear(inta,intb,intc,inttday)

{

do

{

switch(b)

{

case1:

case3:

case5:

case7:

case8:

case10:

case12:

tday=31-c+tday;

break;

case4:

case6:

case9:

case11:

tday=30-c+tday;

break;

case2:

tday=28-c+tday;

break;

}

b+=1;

c=0;

}while(b<=12);

a+=1;

returntday;

}

int_ryear(inte,intf,inttday)

{

do

{

switch(e)

{

case1:

case3:

case5:

case7:

case8:

case10:

case12:

tday+=31;

break;

case4:

case6:

case9:

case11:

tday+=30;

break;

case2:

tday+=29;

default:

tday=tday;

}

e-=1;

}while(e>=1);

tday+=f;

returntday;

}

int_pyear(inte,intf,inttday)

{

do

{

switch(e)

{

case1:

case3:

case5:

case7:

case8:

case10:

case12:

tday+=31;

break;

case4:

case6:

case9:

case11:

tday+=30;

break;

case2:

tday+=28;

default:

tday=tday;

}

e-=1;

}while(e>=1);

tday+=f;

returntday;

}

⑧//正确

#include

usingnamespacestd;

intmain()

{

inta,b,c,d,e,f,tday=0;

charch;

do

{

cout<<"请输入合理的起始年份:

"<

cin>>a>>b>>c;

cout<<"请输入合理的终止年份:

"<

cin>>d>>e>>f;

while(a

{

do{

switch(b)

{

case2:

if((a%4==0&&a%100!

=0)||(a%100==0&&a%400==0))

{

tday=29-c+tday;

break;

}

else

{

tday=28-c+tday;

break;

}

case1:

case3:

case5:

case7:

case8:

case10:

case12:

tday=31-c+tday;

break;

case4:

case6:

case9:

case11:

tday=30-c+tday;

break;

}

b+=1;

c=0;

}while(b<=12);

a+=1;

b=0;

break;

}

while(a

{

if((a%4==0&&a%100!

=0)||(a%100==0&&a%400==0))

tday+=366;

else

tday+=365;

a+=1;

}

while(a==d)

{

if(b==e)

tday=tday+f-c;

else

do

{

switch(b)

{

case2:

if((a%4==0&&a%100!

=0)||(a%100==0&&a%400==0))

{

tday=29-c+tday;

break;

}

else

{

tday=28-c+tday;

break;

}

case1:

case3:

case5:

case7:

case8:

case10:

case12:

tday=31-c+tday;

break;

case4:

case6:

case9:

case11:

tday=30-c+tday;

break;

}

b+=1;

c=0;

}while(b

tday+=f;

break;

}

cout<<"两日期之间共相差了:

"<

cout<<"是否还要继续计算Y/N?

"<

cin>>ch;

}while(ch=='y'||ch=='Y');

return0;

}

【19】

#include

usingnamespacestd;

intmain()

{

inti,j,m,n;

charch;

cout<<"请输入要打印的菱形行数:

"<

do{

cin>>n;

if((n<=0)||(n%2==0))

{

cout<<"数据不合理,请重新输入要打印的菱形行数:

"<

ch='N';

}

else

ch='Y';

}while(ch=='N');

for(j=1;j<=(n+1)/2;j++)

{

for(i=1;i<=(n+1)/2-j;i++)

cout<<"";//打印开头空格

cout<<"*";//打印开头菱形边框

for(m=1;m<=2*j-3;m++)

cout<<"";//打印中间空格

if(2*j-3>0)

cout<<"*";//打印末尾菱形

cout<

}

//打印菱形的下半个部分

for(j=1;j<=(n+1)/2-1;j++)

{

for(i=1;i<=j;i++)

cout<<"";//是第几行就打印几个空格

cout<<"*";//菱形下半部分的开头部分

for(m=1;m<=n-2*j-2;m++)

cout<<"";//打空格

if(n-2*j-2>0)

cout<<"*"<

}

cout<

return0;

}

[20]//正确//打印字母三角形

#include

usingnamespacestd;

intmain()

{

inti,j,m,n,num[10];

chara[26][27],c[26]={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};

cout<<"输入要打印的字母三角形个数:

"<

cin>>n;

cout<<"每一个分别要打印多少行:

"<

for(i=0;i

cin>>num[i];//为每一个行赋值

for(m=0;m

{

for(i=0;i

a[i][0]='a';//为每行首元素赋值‘a’

for(i=0;i

for(j=1;j<=num[m];j++)

{

if(i+j-num[m]>=0)

a[i][j]=c[i+j-num[m]];

else

a[i][j]='';

}

for(i=0;i

{

for(j=0;j<=num[m];j++)

cout<

cout<

}

cout<

}

return0;

}

[21]//参数传递错误

#include

#defineN10

usingnamespacestd;

int_output1(int,int,char);

int_output2(int,int,char);

intmain()

{

inti,n,a[N],num=1;

charc[N];

cout<<"口的个数:

"<

cin>>n;

cout<<"输入其有什么字母组成,及其口的大小。

"<

for(i=0;i

{

cin>>c[i];

cin>>a[i];

}

i=0;

do{

_output1(a[N],i,c[N]);

_output2(a[N],i,c[N]);

_output1(a[N],i,c[N]);

cout<

num++;

i++;

}while(num<=n);

return0;

}

int_output1(inta[N],inti,charc[N])

{

intk=1,j;

while(k<=2)

{

for(j=0;j

cout<

k++;

cout<

}

return0;

}

int_output2(inta[N],inti,charc[N])

{

intm,j;

for(m=0;m

{

for(j=0;j<2;j++)

cout<

for(j=0;j

cout<<"";

for(j=0;j<2;j++)

cout<

cout<

}

return0;

}

【22】//均正确

#include

#defineN10

usingnamespacestd;

intmain()

{

inti,n,a[N],m,k=1,j,num=1;

charc[N];

cout<<"口的个数:

"<

cin>>n;

cout<<"输入其有什么字母组成,及其口的大小。

"<

for(i=0;i

{

cin>>c[i];

cin>>a[i];

}

i=0;

do{

while(k<=2)

{

for(j=0;j

cout<

k++;

cout<

}

k=1;

for(m=0;m

{

for(j=0;j<2;j++)

cout<

for(j=0;j

cout<<"";

for(j=0;j<2;j++)

cout<

cout<

}

while(k<=2)

{

for(j=0;j

cout<

k++;

cout<

}

k=1;

num++;

i++;

cout<

}while(num<=n);

return0;

}

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