Submission #7616743

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
using namespace std;

int main()
{
  int a,b;
  cin>>a>>b;
  if(a-b==0)
  return 0;
  else
  cout<<a-b<<' '<<endl;
  system("pause");
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:18: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
   system("pause");
                  ^

Judge Result