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1，编写一个程序

#include <stdio.h>int main() char ch; int i; ch = getchar(); for(i = 0; i < 4; i++) printf("%c",ch+i+1); printf("\n");}

编写一个程序

2，编写一个C程序

#include<stdio.h>int main()int n,i,s,t=1;scanf("%d", &n);while(n<0 || n%2==0) printf("请重新输入一个奇数!\n");scanf("%d", &n);}for(i=1;i<=n;i++)t=t*i;if(i%2==1)s+=t;}}printf("%d", s);return 0;}

编写一个C程序

3，编写一个程序

#include<iostream>#include<string> using namespace std; int main() int i,count; string d[5] ; cout << "Input a sentence with 5 words: " ; for( i = 0; i < 5; i++ ) cin >> d[i]; cout << "Input the number of the word you want to print: "; cin >> count; cout << d[ count-1 ] << endl; return 0;}

编写一个程序

4，编写一个程序1

#include<stdio.h>#include<math.h>void main() int x; int isprime(int x); for(x=2;x<100;x++) if(isprime(x)) printf("%d ",x); }}int isprime(int a) for(int i=2;i<=sqrt(a);i++) if(a%i==0) return 0; return 1; }}
bool isprime(int x) int i=2; for(i=2; i<x/2; i++) if(x%i == 0) return true; } } return false; }
#include<stdio.h>int isprime(int x) int i=2; for (;i<x;i++) if (x%i==0) return 0; } } return 1;}void main()int x;int isprime(int x);for(x=2;x<100;x++)if(isprime(x))printf("%d, ",x);}

5，编写一个程序

#include <stdio.h> int fun(int n) int i,t; t = 1; for(i=1; i<=n; i++) t = 2 * t; } return t;}int main() int i,n,sum; sum = 0; i = 1; while(sum<1000) sum += fun(i); i++; } n = i - 2; printf("最大的n是:%d\n",n); return 0;}
#include <stdio.h> int fun(int n) int i,t; t = 1; for(i=1; i<=n; i++) t = 2 * t; } return t;} main() int i,n,sum; sum = 0; i = 1; while(sum<1000) sum += fun(i); i++; } n = i - 2; printf("当%d是时，符合要求\n",n); return 0;}
#include <stdio.h> int fun(int n) int i,t; t = 1; for(i=1; i<=n; i++) t = 2 * t; } return t;}int main() int i,n,sum; sum = 0; i = 1; while(sum<1000) sum += fun(i); i++; } n = i - 2; printf("最大的n的值是:%d\n",n); return 0;}

6，编写一个程序

#include#include void main() { char a[100]; int b; gets(a); scanf("%d",&b); if(b
#include #include using namespace std; int main() { char in[100]; //可改 int n; cout<<"please putin :"<>in; cin>>n; cout<<
import java.util.Scanner; public class dis { public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.print("请输入一个字符串:"); String word=input.next(); System.out.print("请输入一个数字，输出字符串中对应的字符:"); int num=input.nextInt(); if(num
#include #include void main() { int num = 0; char buf[1024]; ZeroMemory(buf, sizeof(buf)); printf("Please input a string:"); scanf("%s", buf); printf("Please input a num:"); scanf("%d", &num); printf("pos:%d char:%c\n", num, buf[num-1]); }
main() { char *str; int n; printf("Please input a string:"); scanf("%s",str); printf("Which char:"); scanf("%d",&n); printf("The NO.%d charector is \"%.1s\" ",n,str+n-1); getch(); }

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