求体积#include<stdio.h>#include<math.h>#define PI 3.1415927int main(){double x;while(scanf("%lf",&x)!=EOF){printf("%.3lf\n",(4.0*PI*x*x*x)/3.0);}return 0;}求a+b II.#include<stdio.h>#include<string.h>#define N 1005char A[N],B[N],sum[N];int main(){int T,i,j,k,x,sign;while(scanf("%d",&T)!=EOF){for(i=0;i<T;i++){if(i)printf("\n");scanf("%s%s",&A,&B);j=strlen(A)-1,k=strlen(B)-1;for(x=0,sign=0;(j+1)&&(k+1);j--,k--,x++){if((A[j]-'0')+(B[k]-'0')+sign<10){sum[x]=(A[j]-'0')+(B[k]-'0')+sign;sign=0;}else{sum[x]=(A[j]-'0')+(B[k]-'0')+sign-10;sign=1;}}#include <iostream>using namespace std;int main(){ int a, b;while(cin >> a >> b)cout << a + b << endl;return 0;求a+b#include<iostream>using namespace std;int main(){int a,b,s;while(cin>>a>>b){s=a+b;cout<<s<<endl;}return 0;}ACSIC排序.#include <stdio.h>#include<string.h>int main(){char s[3],a,b,c,temp;while(scanf("%s",s)!=EOF){a=s[0];b=s[1];c=s[2];if(a>b){temp=a;a=b;b=temp;}if(a>c){printf("%c %c %c\n",c,a,b);}else if(b<c){printf("%c %c %c\n",a,b,c);}else{printf("%c %c %c\n",a,c,b);}}return 0;}成绩转换问题#include<stdio.h>int main(){int x;while(scanf("%d",&x)!=EOF){if(90<=x&&x<=100) printf("A\n");else if(80<=x&&x<=89) printf("B\n");else if(70<=x&&x<=79) printf("C\n");else if(60<=x&&x<=69) printf("D\n");else if(0<=x&&x<=59) printf("E\n");else printf("Score is error!\n");}return 0;}#include <stdio.h>int main(){ int n,i,min,max;double t=0,sum,a[10];while(scanf("%d",&n)!=EOF){ sum=0;for(i=0;i<n;i++)scanf("%lf",&a[i]);min=a[0];for(i=0;i<n;i++){ if(min>a[i])min=a[i];}max=a[0];for(i=0;i<n;i++){if(max<a[i])max=a[i];}for(i=0;i<n;i++){sum=sum+a[i];}t=(sum-max-min)/(n-2);printf("%.2lf\n",t);}return 0;}评委打分#include <stdio.h>int main(){ int n,i;double t,sum,a[10],min,max;while(scanf("%d",&n)!=EOF){ sum=0;t=0;for(i=0;i<n;i++)scanf("%lf",&a[i]);min=a[0];max=a[0];for(i=0;i<n;i++){ if(min>a[i])min=a[i];if(max<a[i])max=a[i];}for(i=0;i<n;i++){sum=sum+a[i];}t=(sum-max-min)/(n-2);printf("%.2lf\n",t);}return 0;}水仙花数include<stdio.h>int main(){int m,n,a,b,c,i;while(scanf("%d %d",&m,&n)!=EOF) {int flag=0;for(i=m;i<=n;i++){a=i/100;b=i/10-a*10;c=i%10;if(i==a*a*a+b*b*b+c*c*c){if(flag==0)printf("%d",i);elseprintf(" %d",i);flag=1;}}if(flag==0)printf("no");printf("\n");}return 0;}#include <stdio.h>void main(){ int a=0,b=0,c=0,m,n,flag=0,i;while(scanf("%d%d",&m,&n)!=EOF){for(i=m;i<=n;i++){a=i/100;b=(i%100)/10;c=(i%100)%10;if(i==a*a*a+b*b*b+c*c*c){ printf("%d ",i);flag=1;}}if(flag==1) printf("\n");if(flag==0) printf("no\n");}}#include <stdio.h>int main(){ int a=0,b=0,c=0,m,n,i;while(scanf("%d%d",&m,&n)!=EOF){ int flag=0;for(i=m;i<=n;i++){ a=i/100;b=(i%100)/10;c=(i%100)%10;if(i==a*a*a+b*b*b+c*c*c){ if(flag==0) printf("%d",i);else printf(" %d",i); flag=1;}}if(flag==0) printf("no");printf("\n");}return 0;}数据交换输出#include<stdio.h>int main(){int n,i,a[101],k,min;while(scanf("%d",&n)&&n){ k=0;for(i=0;i<n;i++)scanf("%d",&a[i]);min=a[0];for(i=0;i<n;i++)if(min>a[i]){min=a[i];k=i;}a[k]=a[0];a[0]=min;for(i=0;i<n;i++)printf("%d",a[0]);printf(" %d",a[i]);printf("\n");}return 0;}。