全国计算机二级C语言操作题题库.docx
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全国计算机二级C语言操作题题库
1.程序Cmody021.c输出如下所示图形:
*
***
*****
*******
*********
#include
voidmain()
{
inti,j;for(i=1;i<=5;i++)
for(j=1;j<=5-i;j++)printf("");
for(j=1;j<=2*i-1;j++)
printf("*");
printf("\n");
}
2.程序Cmody032.c的功能是:
输出201-300之间的所有素数,统计总个数。
intnum;
num=fun();
printf("\nThetotalofprimeis%d",num);
getch();
intfun()
intm,i,k,n=0;
for(m=201;m<=300;m++)
k=sqrt(m+1);
for(i=2;i<=k;i++)
/**/if(m/i==0)/**/
break;
/**/if(i==k)/**/
printf("%-4d",m);
n++;
if(n%10==0)printf("\n");
returnn;
3.
程序Cmody041.c,其功能是统计输入字符串中小写英文字母的个数。
如输入:
abcdEFGHIJK123
输出:
4
main()
charstr1[128];
/**/inti,len,sum=0;/**/
gets(str1);
len=strlen(str1);
for(i=0;i{/**/if(str1[i]>='a'&&str1[i]<='z')/**/sum++;}printf("%d\n",sum);getch();}4.程序Cmody051.c,其功能是统计输入字符串中大写英文字母的个数。如输入:abcDEFGH123输出:5#include#includemain(){/**/charstr1[128]/**/inti,len,sum=0;printf("Pleaseinputastring:\n");scanf("%s",str1);len=strlen(str1);for(i=0;i{if(str1[i]>='A'&&str1[i]<='Z')/**/sum++;/**/}printf("%d\n",sum);getch();}5.程序Cmody061.c,其功能是将字符串中'0'-'8'的数字字符变为比它大1的数字字符,将'9'变为'0'。如输入:abc12cd56EF89GH4输出:abc23cd67EF90GH5#include#includemain(){charstr1[128],str2[128];inti,len;gets(str1);len=strlen(str1);/**/for(i=0;i{if(str1[i]>='0'&&str1[i]<='8')str2[i]=str1[i]+1;elseif(str1[i]=='9')str2[i]='0';elsestr2[i]=str1[i];}/**/str2[i]='\n';/**/puts(str2);getch();}6.程序Cmody091.C,其功能是计算1至100之间的奇数之和,偶数之和。#includevoidmain(){intb,i;/**/inta=c=0;/**//**/for(i=0,i<=100,i+=2)/**/{a+=i;b=i+1;c+=b;}printf("totalofevennumbers:%d\n",a);printf("totalofoddnumbers:%d\n",c-101);getch();}7.程序Cmody101.c,其功能是计算如下所示的数学表达式:#include#defineF(x)(x*x-2.3*x+5.6)/(x+8.2)voidmain(){floata=6.0,b=3.0,c;/**/floats;/**/printf("\nPleaseinputc:");scanf("%f",/**/&c/**/);/**/s=F(a)+F(b)-F(c));/**/printf("\ns=%.2f\n,s");getch();}8.程序Cmody111.C,输出如下所示图形:@@@@@@@@@@@@@@@@@@@@@#include#includevoidmain(){/**/inti,j;/**//**/for(i=6;i>=1;i--)/**/{printf("@");for(j=1;j<=6-i;j++)printf("@");printf(/**/"\r"/**/);}getch();}9.打开Cprog011.C,完成其中的函数fun1,该函数的数学表达式是:#include#includedoublefun1(doublex){Return((1+sin(x)+exp(x))/(x+1));}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开Cprog021.C,完成其中的函数fun1,该函数的数学表达式是:例如:fun1(0.76)=3.582fun1(3.00)=5.369fun1(3.76)=8.931#include#includedoublefun1(doublex){Return((exp(x)+fabs(x-6))/(x+1.3));}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开Cprog031.C,完成其中的函数fun1,该函数的数学表达式是:例如:fun1(0.76)=1.200fun1(3.00)=10.000fun1(3.76)=8.520--------Cprog031.C--------------------------------------------------------------------------------#include#includedoublefun1(doublex){If(x<3)x=1.2;Elseif(x=3)x=10;Elsex=2*x+1;Return(x);}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开程序Cprog041.C,完成其中fun()函数,使其计算:如输入:12输出f(12.000)=10.387输入:32.25输出f(32.250)=12.935输入:0.113输出f(0.113)=1568---------Cprog041.C-------------------------------------------------------------------------------#include#includedoublef(floatx){/**/If(x<=0)return(0);x=0;Elsererurn((sqrt(x)+3.2)/(sin(x)+2))x=(sqrt(x)+3.2)/(sin(x)+2);Return(x);/**/}voidmain(){floatx;doubley;printf("Pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%.3f)=%.3f\n",x,y);getch();}1.打开程序Cprog051.C,完成其中的f()函数,使其计算:如输入:0.4输出:f(0.40)=0.82输入:1.5输出:f(1.50)=1.24输入:7.80输出:f(780.00)=-1.00-------------Cprog051.C--------------------------------------------------------------------------#include#includedoublef(floatx){/**/If(x>=-700&&x<=700)x=(sqrt(5.8+fabs(x))/(cos(x)+2.1));Elsex=-1;Return(x);/**/}voidmain(){floatx;doubley;printf("pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%0.2f)=%0.2f\n",x,y);getchar();}1.打开程序Cprog061.C,完成其中的f()函数,使其计算:如输入:0.8输出:f(0.80)=0.96输入:4.5输出;f(4.50)=107.05输入;725输出;f(725.00)=-1.00----------Cprog061.C-------------------------------------------------------------------------------#include
/**/if(str1[i]>='a'&&str1[i]<='z')/**/
sum++;
printf("%d\n",sum);
4.程序Cmody051.c,其功能是统计输入字符串中大写英文字母的个数。
abcDEFGH123
输出:
5
/**/charstr1[128]/**/
inti,len,sum=0;
printf("Pleaseinputastring:
\n");
scanf("%s",str1);
for(i=0;i{if(str1[i]>='A'&&str1[i]<='Z')/**/sum++;/**/}printf("%d\n",sum);getch();}5.程序Cmody061.c,其功能是将字符串中'0'-'8'的数字字符变为比它大1的数字字符,将'9'变为'0'。如输入:abc12cd56EF89GH4输出:abc23cd67EF90GH5#include#includemain(){charstr1[128],str2[128];inti,len;gets(str1);len=strlen(str1);/**/for(i=0;i{if(str1[i]>='0'&&str1[i]<='8')str2[i]=str1[i]+1;elseif(str1[i]=='9')str2[i]='0';elsestr2[i]=str1[i];}/**/str2[i]='\n';/**/puts(str2);getch();}6.程序Cmody091.C,其功能是计算1至100之间的奇数之和,偶数之和。#includevoidmain(){intb,i;/**/inta=c=0;/**//**/for(i=0,i<=100,i+=2)/**/{a+=i;b=i+1;c+=b;}printf("totalofevennumbers:%d\n",a);printf("totalofoddnumbers:%d\n",c-101);getch();}7.程序Cmody101.c,其功能是计算如下所示的数学表达式:#include#defineF(x)(x*x-2.3*x+5.6)/(x+8.2)voidmain(){floata=6.0,b=3.0,c;/**/floats;/**/printf("\nPleaseinputc:");scanf("%f",/**/&c/**/);/**/s=F(a)+F(b)-F(c));/**/printf("\ns=%.2f\n,s");getch();}8.程序Cmody111.C,输出如下所示图形:@@@@@@@@@@@@@@@@@@@@@#include#includevoidmain(){/**/inti,j;/**//**/for(i=6;i>=1;i--)/**/{printf("@");for(j=1;j<=6-i;j++)printf("@");printf(/**/"\r"/**/);}getch();}9.打开Cprog011.C,完成其中的函数fun1,该函数的数学表达式是:#include#includedoublefun1(doublex){Return((1+sin(x)+exp(x))/(x+1));}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开Cprog021.C,完成其中的函数fun1,该函数的数学表达式是:例如:fun1(0.76)=3.582fun1(3.00)=5.369fun1(3.76)=8.931#include#includedoublefun1(doublex){Return((exp(x)+fabs(x-6))/(x+1.3));}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开Cprog031.C,完成其中的函数fun1,该函数的数学表达式是:例如:fun1(0.76)=1.200fun1(3.00)=10.000fun1(3.76)=8.520--------Cprog031.C--------------------------------------------------------------------------------#include#includedoublefun1(doublex){If(x<3)x=1.2;Elseif(x=3)x=10;Elsex=2*x+1;Return(x);}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开程序Cprog041.C,完成其中fun()函数,使其计算:如输入:12输出f(12.000)=10.387输入:32.25输出f(32.250)=12.935输入:0.113输出f(0.113)=1568---------Cprog041.C-------------------------------------------------------------------------------#include#includedoublef(floatx){/**/If(x<=0)return(0);x=0;Elsererurn((sqrt(x)+3.2)/(sin(x)+2))x=(sqrt(x)+3.2)/(sin(x)+2);Return(x);/**/}voidmain(){floatx;doubley;printf("Pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%.3f)=%.3f\n",x,y);getch();}1.打开程序Cprog051.C,完成其中的f()函数,使其计算:如输入:0.4输出:f(0.40)=0.82输入:1.5输出:f(1.50)=1.24输入:7.80输出:f(780.00)=-1.00-------------Cprog051.C--------------------------------------------------------------------------#include#includedoublef(floatx){/**/If(x>=-700&&x<=700)x=(sqrt(5.8+fabs(x))/(cos(x)+2.1));Elsex=-1;Return(x);/**/}voidmain(){floatx;doubley;printf("pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%0.2f)=%0.2f\n",x,y);getchar();}1.打开程序Cprog061.C,完成其中的f()函数,使其计算:如输入:0.8输出:f(0.80)=0.96输入:4.5输出;f(4.50)=107.05输入;725输出;f(725.00)=-1.00----------Cprog061.C-------------------------------------------------------------------------------#include
if(str1[i]>='A'&&str1[i]<='Z')
/**/sum++;/**/
5.程序Cmody061.c,其功能是将字符串中'0'-'8'的数字字符变为比它大1的数字字符,将'9'变为'0'。
abc12cd56EF89GH4
abc23cd67EF90GH5
charstr1[128],str2[128];
inti,len;
/**/for(i=0;i{if(str1[i]>='0'&&str1[i]<='8')str2[i]=str1[i]+1;elseif(str1[i]=='9')str2[i]='0';elsestr2[i]=str1[i];}/**/str2[i]='\n';/**/puts(str2);getch();}6.程序Cmody091.C,其功能是计算1至100之间的奇数之和,偶数之和。#includevoidmain(){intb,i;/**/inta=c=0;/**//**/for(i=0,i<=100,i+=2)/**/{a+=i;b=i+1;c+=b;}printf("totalofevennumbers:%d\n",a);printf("totalofoddnumbers:%d\n",c-101);getch();}7.程序Cmody101.c,其功能是计算如下所示的数学表达式:#include#defineF(x)(x*x-2.3*x+5.6)/(x+8.2)voidmain(){floata=6.0,b=3.0,c;/**/floats;/**/printf("\nPleaseinputc:");scanf("%f",/**/&c/**/);/**/s=F(a)+F(b)-F(c));/**/printf("\ns=%.2f\n,s");getch();}8.程序Cmody111.C,输出如下所示图形:@@@@@@@@@@@@@@@@@@@@@#include#includevoidmain(){/**/inti,j;/**//**/for(i=6;i>=1;i--)/**/{printf("@");for(j=1;j<=6-i;j++)printf("@");printf(/**/"\r"/**/);}getch();}9.打开Cprog011.C,完成其中的函数fun1,该函数的数学表达式是:#include#includedoublefun1(doublex){Return((1+sin(x)+exp(x))/(x+1));}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开Cprog021.C,完成其中的函数fun1,该函数的数学表达式是:例如:fun1(0.76)=3.582fun1(3.00)=5.369fun1(3.76)=8.931#include#includedoublefun1(doublex){Return((exp(x)+fabs(x-6))/(x+1.3));}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开Cprog031.C,完成其中的函数fun1,该函数的数学表达式是:例如:fun1(0.76)=1.200fun1(3.00)=10.000fun1(3.76)=8.520--------Cprog031.C--------------------------------------------------------------------------------#include#includedoublefun1(doublex){If(x<3)x=1.2;Elseif(x=3)x=10;Elsex=2*x+1;Return(x);}voidmain(){clrscr();printf("fun1(0.76)=%8.3lf\n",fun1(0.76));printf("fun1(3.00)=%8.3lf\n",fun1(3.00));printf("fun1(3.76)=%8.3lf\n",fun1(3.76));}打开程序Cprog041.C,完成其中fun()函数,使其计算:如输入:12输出f(12.000)=10.387输入:32.25输出f(32.250)=12.935输入:0.113输出f(0.113)=1568---------Cprog041.C-------------------------------------------------------------------------------#include#includedoublef(floatx){/**/If(x<=0)return(0);x=0;Elsererurn((sqrt(x)+3.2)/(sin(x)+2))x=(sqrt(x)+3.2)/(sin(x)+2);Return(x);/**/}voidmain(){floatx;doubley;printf("Pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%.3f)=%.3f\n",x,y);getch();}1.打开程序Cprog051.C,完成其中的f()函数,使其计算:如输入:0.4输出:f(0.40)=0.82输入:1.5输出:f(1.50)=1.24输入:7.80输出:f(780.00)=-1.00-------------Cprog051.C--------------------------------------------------------------------------#include#includedoublef(floatx){/**/If(x>=-700&&x<=700)x=(sqrt(5.8+fabs(x))/(cos(x)+2.1));Elsex=-1;Return(x);/**/}voidmain(){floatx;doubley;printf("pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%0.2f)=%0.2f\n",x,y);getchar();}1.打开程序Cprog061.C,完成其中的f()函数,使其计算:如输入:0.8输出:f(0.80)=0.96输入:4.5输出;f(4.50)=107.05输入;725输出;f(725.00)=-1.00----------Cprog061.C-------------------------------------------------------------------------------#include
if(str1[i]>='0'&&str1[i]<='8')
str2[i]=str1[i]+1;
elseif(str1[i]=='9')
str2[i]='0';
elsestr2[i]=str1[i];
/**/str2[i]='\n';/**/
puts(str2);
6.程序Cmody091.C,其功能是计算1至100之间的奇数之和,偶数之和。
intb,i;
/**/inta=c=0;/**/
/**/for(i=0,i<=100,i+=2)/**/
a+=i;
b=i+1;
c+=b;
printf("totalofevennumbers:
%d\n",a);
printf("totalofoddnumbers:
%d\n",c-101);
7.程序Cmody101.c,其功能是计算如下所示的数学表达式:
#defineF(x)(x*x-2.3*x+5.6)/(x+8.2)
floata=6.0,b=3.0,c;
/**/floats;/**/
printf("\nPleaseinputc:
");
scanf("%f",/**/&c/**/);
/**/s=F(a)+F(b)-F(c));/**/
printf("\ns=%.2f\n,s");
8.程序Cmody111.C,输出如下所示图形:
@
@@
@@@
@@@@
@@@@@
@@@@@@
/**/inti,j;/**/
/**/for(i=6;i>=1;i--)/**/
printf("@");
for(j=1;j<=6-i;j++)
printf(/**/"\r"/**/);
9.打开Cprog011.C,完成其中的函数fun1,该函数的数学表达式是:
doublefun1(doublex)
Return((1+sin(x)+exp(x))/(x+1));
clrscr();
printf("fun1(0.76)=%8.3lf\n",fun1(0.76));
printf("fun1(3.00)=%8.3lf\n",fun1(3.00));
printf("fun1(3.76)=%8.3lf\n",fun1(3.76));
打开Cprog021.C,完成其中的函数fun1,该函数的数学表达式是:
例如:
fun1(0.76)=3.582
fun1(3.00)=5.369
fun1(3.76)=8.931
Return((exp(x)+fabs(x-6))/(x+1.3));
打开Cprog031.C,完成其中的函数fun1,该函数的数学表达式是:
fun1(0.76)=1.200
fun1(3.00)=10.000
fun1(3.76)=8.520
--------Cprog031.C--------------------------------------------------------------------------------
If(x<3)x=1.2;
Elseif(x=3)x=10;
Elsex=2*x+1;
Return(x);
打开程序Cprog041.C,完成其中fun()函数,使其计算:
12输出f(12.000)=10.387
输入:
32.25输出f(32.250)=12.935
0.113输出f(0.113)=1568
---------Cprog041.C-------------------------------------------------------------------------------
doublef(floatx)
/**/
If(x<=0)return(0);x=0;
Elsererurn((sqrt(x)+3.2)/(sin(x)+2))x=(sqrt(x)+3.2)/(sin(x)+2);
floatx;
doubley;
printf("Pleaseinputanumber:
scanf("%f",&x);
y=f(x);
printf("f(%.3f)=%.3f\n",x,y);
1.打开程序Cprog051.C,完成其中的f()函数,使其计算:
0.4输出:
f(0.40)=0.82
1.5输出:
f(1.50)=1.24
7.80输出:
f(780.00)=-1.00
-------------Cprog051.C--------------------------------------------------------------------------
If(x>=-700&&x<=700)x=(sqrt(5.8+fabs(x))/(cos(x)+2.1));
Elsex=-1;
printf("pleaseinputanumber:
printf("f(%0.2f)=%0.2f\n",x,y);
getchar();
1.打开程序Cprog061.C,完成其中的f()函数,使其计算:
0.8输出:
f(0.80)=0.96
4.5输出;f(4.50)=107.05
输入;725输出;f(725.00)=-1.00
----------Cprog061.C-------------------------------------------------------------------------------
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