Submission #4039169

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Source Code Expand

#include <stdio.h>

int main(void){
  int K;
  int a;
  int b;
  scanf("%d",&K);
  a = K/2;
  b = (K + 1)/2;
  printf("%d",a*b);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&K);
                 ^

Judge Result