Submission #1167905

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Source Code Expand

#include<stdio.h>
#include<algorithm>
using namespace std;

int main() {
  long long x, i, j;
  scanf("%lld", &x);
  j = 0;
  for(i=0; i<=x; i++) {
    j = j + i;
    if(j >= x) {
      break;
    }
  }
  printf("%lld\n", i);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &x);
                    ^

Judge Result