代码改变世界

实验3

2019-05-06 14:55  hjs123  阅读(211)  评论(0编辑  收藏  举报

 

 

#include <stdio.h>

int main(){

         int a;

         long int s=0;

         for(a=22;a<=1002;a=a+20){s=s+a;}

         printf("%d",s);

         return 0;

 

}

 

#include <stdio.h>

int main(){

         int a=22;

         long int s=0;

         while(a<=1002){

                   s=s+a;

                   a+=20;

         }

 

         printf("%d",s);

         return 0;

 

}

#include <stdio.h>

int main(){

         int a=22;

         long int s=0;

         do{   printf("%d",s);

        s=s+a;

                   a=a+20;

         }while (a<=1002);

 

         return 0;

 

}

#include <stdio.h>

int main(){

int i,a,b,c;

int j=0;

for(i=100;i<1000;i++){

a=i/100;

b=(i/10)%10;

c=i%10;

if((a*a*a)+(b*b*b)+(c*c*c)==i){

         printf("%d\n",i);

         j=j+1;}

}   printf("一共有%d个水仙花数",j);

return 0;

 

}

 

 

 

 

#include <stdio.h>

#include <math.h>

int main(){

         int a,b,c,d,e;

         int sum;

         sum=0;

         for(a=1;a<=5;a++){

                   d=a*100;

                   for(b=1;b<=5;b++){

                            e=b*10;

                            for(c=1;c<=5;c++){

                                     if(a!=b&&b!=c&&a!=c){

                                               printf("%d\n",d+e+c);

                                     sum=sum+1;

                                     }

                            }

                   }

         }

         printf("%d\n",sum);

 

 

return 0;

 

}