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谁能帮我看看是什么问题?他说是这个错误:“Presentation”

Posted by CL7RNEC at 2006-10-03 14:05:29 on Problem 1477
#include <cstdlib>
#include <iostream>

int main(int argc, char *argv[])
{
    int m,i,j=1,k,sum=0,num=0;
    int *arr;
    int ar[100];
    scanf("%d",&m);
    while(m!=0){
       arr=(int *)malloc(m*sizeof(int));
       for(i=0;i<m;i++){
          scanf("%d",&arr[i]);
       }
       for(i=0;i<m;i++){
          sum=sum+arr[i];
       }
       sum=sum/m;
       for(i=0;i<m;i++){
          if(sum-arr[i]>0){
             num=num+sum-arr[i];
          }
       }
       ar[j]=num;
       scanf("%d",&m);
       if(m==0){
          break;
       }
       j++;
       sum=0;
       num=0;
    }
    for(k=1;k<=j;k++){
       printf("Set #%d\n",k);
       printf("The minimum number of moves is %d. \n",ar[k]);
    }
    //system("PAUSE");
    return EXIT_SUCCESS;
}

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