Submission #1306087

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Source Code Expand

#include <stdio.h>
int main(){

  int x,i;

  scanf("%d",&x);

  for(i = 0; (i*i+i)/2 < x; i++);

  printf("%d\n",i);

  return 0;

}

Submission Info

Compile Error

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

Judge Result