一、#include <stdio.h>int prime(int x);void main( ){int i,n=0;for(i=2;i<5000;i++)if(prime(i)){printf("%5d",i);n++;if(n%10==0)printf("\n");}}int prime(int x){int i;for(i=2;i<x;i++)if(x%i==0)return 0;return 1;}二、#include <stdio.h>int prime(int x);void main( ){int i,j,f,n=0;for(i=2;i<5000;i++)if(prime(i)){ j=i;f=1;while(j!=0){ n=j%10;if(!(n==2||n==3||n==5||n==7)){f=0;break;}j=j/10;}if(f==1){printf("%5d",i);n++;if(n%10==0)printf("\n");}}}int prime(int x){int i;for(i=2;i<x;i++)if(x%i==0)return 0;return 1;}三、#include <stdio.h>int prime(int x);void main( ){int i,n=0,j,f;for(i=2;i<5000;i++)if(prime(i)==1){j=i/10;f=1;while(j!=0){if( !(prime(j))){f=0;break;}j=j/10;}if(f==1){ printf("%5d",i);n++;if(n%10==0) printf("\n");}}}int prime(int x){int i;if(x==1)return 0;for(i=2;i<x;i++)if(x%i==0)return 0;return 1;}四、#include <stdio.h>int prime(int x);void main( ){int i,n=0,j,f;for(i=2;i<5000;i++)if(prime(i)==1){j=i/10;f=1;while(j!=0){if( !(prime(j))){f=0;break;}j=j/10;}if(f==1){ printf("%5d",i);n++;if(n%10==0) printf("\n");}}}int prime(int x){int i;if(x==1)return 0;for(i=2;i<x;i++)if(x%i==0)return 0;return 1;}2----#include <stdio.h>int prime(int x);void main( ){int i,n=0,j,f;for(i=2;i<5000;i++)if(prime(i)==1){j=i/10;f=1;while(j!=0){if( !(prime(j))){f=0;break;}j=j/10;}if(f==1){ printf("%5d",i);n++;if(n%10==0) printf("\n");}}}int prime(int x){int i;if(x==1)return 0;for(i=2;i<x;i++)if(x%i==0)return 0;return 1;}3----#include<string.h>#include<stdio.h>void decipher(char message[]){char plain[27]="VWXYZABCDEFGHIJKLMNOPQRSTU"; char cipherEnd[201];int i,cipherLen;gets(message);cipherLen=strlen(message);for(i=0;i<cipherLen;i++)if(message[i]>='A'&&message[i]<='Z')message[i]=plain[message[i]-'A'];gets(cipherEnd);return;}void main(){char message[201];gets(message);while(strcmp(message,"START")==0){printf("%d\n",strlen(message));decipher(message);printf("%s\n",message);gets(message);}return;}4---#include <iostream>using namespace std;class goods{public:goods(int nu,int q,float p){num=nu;quantity=q;price=p;if(quantity>10)sum+=quantity*price*discount;else sum+=quantity*price;n=n+quantity;}static float average();static void display();private:int num ;int quantity;float price;static float discount;static float sum;static int n;};float goods::average(){return sum/n;}void goods::display(){cout<<"sum="<<sum<<endl;cout<<"average="<<average()<<endl;}float goods::discount =0.98;float goods::sum =0;int goods::n=0;int main(){goods g[3]={goods(101,5,23.5),goods(102,12,24.56),goods(103,100,21.5)};goods::display ();return 0;}5---#include <stdio.h>void main( ){int x,y,z;printf("input x,y:");scanf("%d;%d\n",&x,&y);z=x+y;printf("z=%d\n",z);}6---#include <stdio.h>#include <math.h>void main(){float m,n;scanf("%f%f",&m,&n);printf("%f\n",pow(m,n));}7----#include <stdio.h>int prime(int x);void main( ){int i,n=0,j,f;for(i=2;i<5000;i++)if(prime(i)==1){j=i/10;f=1;while(j!=0){if( !(prime(j))){f=0;break;}j=j/10;}if(f==1){ printf("%5d",i);n++;if(n%10==0) printf("\n");}}}int prime(int x){int i;if(x==1)return 0;for(i=2;i<x;i++)if(x%i==0)return 0;return 1;}五、#include<stdio.h>#include<string.h>int main(){char s[1001],t;int c,i,j,n,len,temp;scanf("%d",&n);for(i=0;i<n;i++){scanf("%s",s);c=0;t=s[0];temp=0;len=strlen(s);for(j=0;j<len;j++){if(s[j]==t){temp++;if(j==len-1)printf("%d%c",temp,t);}else{printf("%d%c",temp,t);t=s[j];temp=1;if(j==len-1)printf("%d%c",temp,t);}}printf("\n");}return 0;}。