实验四

#include<stdio.h>

int main(){

         int a[10];

         int i,j,k;

                   for(i=0;i<10;i++){

                            scanf("%d",&a[i]);

                   }

                   for(i=0;i<10;i++){

                            for(j=0;j<10-i-1;j++){

                                     if(a[j]>a[j+1]){

                                               k=a[j];

                                               a[j]=a[j+1];

                                               a[j+1]=k;

                                     }

                            }

                   }

                   for(i=0;i<10;i++){

                            printf("%d ",a[i]);

                   }

}

#include <stdio.h>

int main(){

         int a[3][3];

         int i,j,sum;

         sum=0;

         for(i=0;i<3;i++){

                   for(j=0;j<3;j++){

                            scanf("%d",&a[i][j]);

                   }

         }

         for(i=0,j=2;i<3;j--,i++){

                   sum=sum+a[i][j]+a[i][i];

                   if(i==j){

                            sum=sum-a[i][j];

                   }

         }

         printf("%d ",sum);

}

#include <stdio.h>

#include <string.h>

int main(){

         char a[100];

         int i,s=0;

         printf("请输入字符串: ");

         gets(a);

         if(a[0]!=' ') s=1;

         for(i=0;a[i]!='';i++){

                   if(a[i-1]==' ' && a[i]!=' '){

                            s++;

                   }

         }

         printf("这串字符中有%d个单词 ",s);

        

}

#include <stdio.h>

#include <math.h>

int main(){

         int i,j,a[100];

         for(i=2;i<100;i++){

                   a[i]=i;

                   for(j=2;j<=i;j++){

                            if(j<i)

                                     if(a[i]%j==0)

                                               break;

                                    

                                     if(a[i]-j==0)

                                               printf("%d ",a[i]);}

                                    

                                     }

         return 0;

}

原文地址:https://www.cnblogs.com/p201821440031/p/10894668.html