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  • 实验三

    #include <stdio.h>

    int main(){

             int a=22,s=0;

             for(;a<1003;a=a+20)

             {

                      

                       s=s+a;

                    

             }

             while(a<1003;)

             {

                       s=s+a;

                       a=a+20;

                      

             }

             do{

                       s=s+a;

                      

             }

             while(a<1003;);

       printf("%d ",s);

             return 0;

     

    #include <stdio.h>

     int main(){

           int i,a,b,c,num;

           num=0;

           for(i=100;i<=999;i++) { 

                  a=i/100;  

                  b=(i%100)/10;    

                  c=(i%100)%10;

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

                         num=num+1;

                         printf("i=%d ",i);

                  }   

           }

           printf("num=%d ",num);   

           return 0;

     }

    #include <stdio.h>

    int main()

    {

             int i,j,k,sum=0;

             for(i=1;i<=5;i++)

             {

                       for(j=1;j<=5;j++)

                       {

                                if(i==j)

                                         continue;

                                for(k=1;k<=5;k++)

                                {

                                         if(i==j||i==k||k==j)

                                                   continue;

                                         printf("%d ",i*100+j*10+k);

                                         sum++;

                                        

                                }

                       }

             }

                       printf("%d ",sum);

             return 0;

    }

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  • 原文地址:https://www.cnblogs.com/p201821440031/p/10819887.html
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