VC语言上机试题及答案简单.doc

C语言上机考试题20套（参考答案）第一套1.double sum=0,a=1;for(;n0;n-,a+)sum=sum+1/(a*(a+1);return sum;2.#include main()int k,m,s=0,i,b=0;for(k=10000;k=20000;k+)if(k%10=7) for(i=2,b=0;ik;i+)if(k%i=0)b+;if(b=0)m=k,s+;printf(这样的素数有%d个。n其中最大的一个是%dn,s,m);3.#include main()int a;printf(请输入一个需要判断的年份：n);scanf(%d,&a);if(a%4=0&a%100!=0)printf(是闰年n);else if(a%400=0)printf(是闰年n);elseprintf(不是闰年n);第二套1.double fun( int n )double sum=0,a=1;for(;n0;n-,a+)sum=sum+1/(a*(a+1);return sum;2.#include fun(int n)int i,j=0;for(i=2;in;i+)if(n%i=0)j+;return j;main()int a,b=0,d,e,k; for(k=1;k10;k+)if(fun(k)=0)a=k,b+;for(k=10;k100;k+)if(fun(k)=0)e=k%10,d=k/10;if(e=d)a=k,b+;for(k=100;k=1000;k+)if(fun(k)=0)e=k%10,d=k/100;if(e=d)a=k,b+;printf(1,1000之内既是回文数，又是素数的最大整数：%dn,a);printf(1,1000以内既是回文数，又是素数的整数有%d个n,b);3.#include #include main()char str81;int i,j=0,w=1,s=0;printf(请输入一串字符：n);gets(str);for(i=0;it)break;return a;2.#include stdio.hmain()int a33,i,j,s=0;printf(请依次输入一个3*3矩阵：n);for(i=0;i3;i+)for(j=0;j3;j+)scanf(%d,&aij);if(i=j|i+j=2)s=s+aij*aij;printf(对角线平方和为：%dn,s);3.#include#include#define N 81fun(char str)int i=0,j;while(iN)if(stri=48)for(j=i;jN;j+)strj=strj+1;elsei+;puts(str);main()char strN;printf(请随意输入字符：);gets(str);fun(str);试题四1.double fun( int n)double s=0;int i;for(i=1;i0&b0)for(k=a;k=1;k-)if(a%k=0&b%k=0)break;if(a%k=0&b%k=0)break; printf(这两个数的最大公约数是:%dn,k);3.#includemain()double a=1,b=1,i,j,s=0;for(i=1,j=3;i+,j=j+2)a=a*i;b=b*j; s=s+a/b;if(a/b0.00005)break;printf(%fn,2*(s+1);试题五1.int fun(int array33)int a33,i,j;int b33;for(i=0;i3;i+)for(j=0;j3;j+)aij=arrayji; for(i=0;i3;i+)for(j=0;j3;j+)arrayij=aij;main()2.#include main()float x,y,s=0;int n;for(x=1;x=100;x+)n=x;if(n%2=0)y=-1/x;elsey=1/x;s=s+y;printf(前n项和为：%fn,s);3.#includemain() int a101=0,i,n,s=0,t; for(n=2;n=100;n+)for(t=0,i=2;in;i+)if(n%i=0)t+;if(t=0)an=n;for(n=2;n=100;n+)if(an!=0&an+2!=0)s+;printf(2100中的所有的亲密素数对的个数为:%4dn,s);试题六1.#include stdio.hmain()int a,b,c,s,k;printf(请输入一个大于2小于1000的数：n);scanf(%d,&k);printf(它的所有质因子是：n);for(a=2;a=k;a+)if(k%a=0)for(s=0,b=2;ba;b+)if(a%b=0)s+;if(s=0)printf(%5d,a);printf(n);2.int fun (int n)int s=0,k;for(k=2;kn;k+)if(n%k=0)s+=k;return s;main()3.#includemain()double a=1,b=1,i,j,s=0;int n;printf(请输入求和项数N:n);scanf(%d,&n);for(i=1;i=n;i+)s+=1/(i*(i+1);printf(数列前%d项求和为：%fn,n,s);试题七1.double fun(double x , int n)double a=1,c,s=0,i;c=x;for(i=1;i=n+1;i+)a=a*i;s=x/a+s;x=x*c;s=s+1;return s;2.#includemain()int a,b,c,d,k;for(k=100;k=999;k+)a=k/100;b=(k-a*100)/10;c=k-a*100-b*10;d=a*a*a+b*b*b+c*c*c;if(k=d)printf(%5d,k);printf(n);3.#include#includemain()float a,b,c,t,p;for(;) printf(请正确输入三角形三边长：n);scanf(%f%f%f,&a,&b,&c);if(ab)t=a,a=b,b=t;if(bc)t=b,b=c,c=t;if(ab)t=a,a=b,b=t;if(a0)break;else continue;p=(a+b+c)/2;t=sqrt(p*(p-a)*(p-b)*(p-c);printf(面积为:%fn,t);试题八1.int i,s=0;float p=0; for(i=1;i=n;i+)s+=i;p+=1.0/s;return p;main()2.#includemain()int i;float h=100,s=100;for(i=1;i=10;i+)h=h/2;s+=h*2;printf(第10次落地时，共经过： %f米n,s);printf(第10次反弹的高度为： %f米n,h);3.#includedouble fun()double a=1,b=1,i,j,s=0;for(i=1,j=3;i+,j=j+2)a=a*i;b=b*j; s=s+a/b;if(a/b0.000001)break;s=2*(s+1);return s;main()printf(%fn,fun();试题九1.void fun( int m, int k ) int a,b,e=1,s=0;for(b=m;)a=b%k;b=b/k;s+=a*e,e=e*10;if(bk) s+=b*e;break;printf(该数为：%dn,s);main( )2.#include stdio.hmain()int a,b;for(a=1;a10;a+)b=a*a;if(b%10=a)printf(%4dn,a);for(a=10;a100;a+)b=a*a;if(b%100=a)printf(%4dn,a);for(a=100;a=1000;a+)b=a*a; if(b%1000=a)printf(%4dn,a); 3.#includemain()float f1,f2,f;f1=2*(-1)*(-1)+3*(-1)+4;f2=-2*5.0*5.0+3*5.0-4;if(f1+f2=2)f=2*(f1+f2)*(f1+f2)+3*(f1+f2)+4;elsef=-2*(f1+f2)*(f1+f2)+3*(f1+f2)-4;printf(计算结果为： %fn,f);试题十1.long fun (int a, int n)long b,e,temp,t,k=1,sum=0;if(a0&n1&n10) temp=a;for(;k=n;k+)for(b=0,e=1,t=1;t=k;t+)a=temp;a=e*a;e=e*10;b+=-a;sum+=b;sum+=-2*b;return sum;else printf(输入有的A或者N有问题求和结果不正确n);2.#include fun(int n)int k,a=0;for(k=2;kn;k+)if(n%k=0)a+;return a;main()int i,j,k,n,t,a,b; for(n=4;n=100;n=n+2)for(i=2;in;i+) j=n-i;if(fun(i)=0&fun(j)=0)break;printf(%d=%d+%dn,n,i,j);3.#include main()int k,l,m,s=0;for(k=0;k=10;k+)for(l=0;l=5;l+)for(m=0;m0)ak=xj;k+;j+;for(i=0;ik;i+)s+=ai;return s/k;2.#include#include#define N 10main()char strN;int i=0,flag=0;long num=0;printf(请输入连续数字字符(最多10为数字) ： );gets(str);while(stri!=0&stri!=a)if(stri=-)flag=1;elseif(stri=+)flag=0;elsenum=num*10+(stri-0);i+;if(flag=1)num=-num;printf(由数字字符串转化成整数是：%ldn,num);3.#includemain()int a,b,c,s=0;for(a=0;a=33;a+)for(b=0;b=50;b+)for(c=0;c=100;c=c+2)if(100=3*a+2*b+c/2&a+b+c=100)s+;printf(共有驼法：%d种n,s);试题十二1.float fun(int m, int n)float t,p,j,i,k,o;if(mn)t=m,m=n,n=t;for(p=1,j=1,i=1,o=m;p=m-n;o-,p+) j=o*j;i=p*i;k=j/i;return k;2.#includemain()int x,y,z,i;printf(1到1000之内能被7或11整除、但不能同时被7和11整除的所有整数:n);for(i=1;i=1000;i+) x=i%7,y=i%11;if(x=0&y!=0|y=0&x!=0)printf(%4d,i);printf(n);3.#includemain()int a33,i,j,sum=0;for (i=0;i3;i+) for (j=0;j3;j+)scanf(%d,&aij);for (i=0;i3;i+)for (j=0;j3;j+) if(i+j=2|i=j)sum=sum+aij;printf(%d,sum);试题十三1.#include double fun(int n)double a=1,b=2,c,sum=0;for(;n0;n-)sum=a/b+sum;c=a+b;a=b;b=c;return sum;2.#include #include main()char str81;int i,j=0,w=1,s=0;printf(请输入一串字符：n);gets(str);for(i=0;istrlen(str);i+)if(stri= )s+;if(stri= &stri+1!= )w+;if(str0= )w-;if(strstrlen(str)-1= )w-;printf(单词个数为：%dn空格个数为：%dn,w,s);3.#include main()int k=1,sum=0;for(;k200;k=k+2)sum=sum+k;printf(sum=%dn,sum);试题十四1./#include conio.h#include stdio.h#include math.hfloat fun(int n) float a=0,b=0,c=1,d,e,s=0,k;for(k=1;k=n;k+)s+=sqrt(a);d=a+b+c;a=b,b=c;c=d;return s;main ( ) int n;/clrscr( );printf(Input N=);scanf(%d, &n);printf(%fn, fun(n);2.#includefun(int s10)int i,j;for(i=1;i10;i+)for(j=0;j10-i;j+)if(sjsj+1)int temp;temp=sj;sj=sj+1;sj+1=temp;printf(这10个数按从大到小排列为：n);for(i=0;i10;i+)printf(%d ,si);main()int s10,i=0;printf(请输入10个整数：);for(;i10;i+)scanf(%d,&si);fun(s);printf(n);3.#includefun(int s10)int i;float a=0;for(i=1;isi+1)int temp;temp=si;si=si+1;si+1=temp;printf(这10个数中最大的为：%dn,s9);for(i=0;i10;i+)a+=si;printf(平均数为：%.1f,a/10);main()int s10,i=0;printf(请输入10个整数：);for(;i10;i+)scanf(%d,&si);fun(s);printf(n);试题十五1.double fun(int m)double a=1,b,j,s=0;for(j=1;j=m;j+)a=a*j;b=1/a;s+=b;return s;2.#includestdio.hmain()int a=1,j,s=0;for(j=1;j=10;j+)a=a*j;s+=a;printf(求和为：%dn,s);3.#includestdio.hmain()int a;for(;)printf(请输入小孩年龄：n);scanf(%d,&a);if(a6)printf(不适合进入幼儿园，请检查年龄是否输错。nnn);continue;else break;if(a=2|a=3)printf(编入小班n);if(a=4)printf(编入中班n);if(a=5|a=6)printf(编入大班n);试题十六1.#include #include float fun(float num) float i=3.0,j=-1.0,k=1.0;while(fabs(1.0/i)num)k=k+j/i;j=-j;i+=2;return k*4;main() float n1,n2; /clrsct( ); printf(Enter a float numder:); scanf(%f,&n1); n2=fun(n1); printf(%6.4fn,n2);2.#include #include void md(int num,int b20)int i;for(i=0;inum;i+)bi=rand()%32768;main() int a20,n,i,j,temp; /clrsct(); printf(Enter a int numder:); scanf(%d,&n); md(n,a);for(i=0;in;i+)for(j=i+1;jaj)temp=ai;ai=aj;aj=temp;printf(%8d,ai);3.#include void main()int i,j,k;for(i=2;i=1000;i+)for(j=1,k=0;ji;j+)if(i%j=0)k+=j;if(k=i)printf(%6d,k);试题十七1.#include stdio.hfun(int x,int y , int z )int j=1;for(;j+)if(j%x=0&j%y=0&j%z=0)break;return j;2.#include stdio.hmain()int a,b,sa,sb,k,t;for(a=1;a=1000;a+) sa=0,sb=0;for(k=1;ka;k+)if(a%k=0)sa+=k;if(sa=1000)b=sa;for(t=1;tb;t+)if(b%t=0)sb+=t;if(a=sb&a!=b)printf(a=%dnb=%dnnn,a,b);3.#include stdio.hmain()int a,b,c,s=0,k;for(k=100;k1000;k+)a=k/100,b=k/10%10,c=k%10;if(a!=b&a!=c&b!=c)s+;printf(这样的三位数有%d个n,s);试题十八1./#include#include#includeint fun(int a)int i,b=0;for(i=2;i=a;i+)if(a%i=0)b+;if(b=1)return 1;elsereturn 0;2.#includemain()int w=1,i;printf(求W=1+21+22+23+210n);for(i=21;i=210;i+)w+=i;printf(求得：w= %dn,w);3.#includemain()int i,j,s=0,p=0,k=1,t21;for(j=1;j=21;j+)s=0;for(i=1;i=2*j-1;i+)if(2*j-1)%i=0)s+;if(s=2)p+;tk=j;k+;printf(在1，21范围内梅森尼数个数为：%dn,p);printf(其中最大的一个是：%dn,tp);试题十九1./#include #include long fun ( int k)int i;long s=1;for(i=1;i=k;i+)s *= i;return s;2.#includemain()int i,j,s=0,w=0,p=0;for(i=2;i=98;i+)s=0;w=0;for(j=2;j=i;j+)if(i%j=0)s+;for(j=2;j=i+2;j+)if(i+2)%j=0)w+;if(s=1&w=1