Submission #3816362

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Source Code Expand

#include <stdio.h>
int main(void){
  int n,c[100],i,j,o,a=0,b=0;
  scanf("%d",&n);
  for (i=0;i<n;i++){
    scanf("%d",&c[i]);
  }
  for (i=1;i<n;i++){
    for (j=0;j<i;j++){
      if (c[i]>c[j]){
        o=c[i];
        c[i]=c[j];
        c[j]=o;
      }
    }
  }
  i=0;
  while (1){
    a+=c[i];
    i++;
    if (i==n) break;
    b+=c[i];
    i++;
    if (i==n) break;
  }
  printf("%d",a-b);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:4:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
                 ^
./Main.cpp:6:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&c[i]);
                      ^

Judge Result