Submission #27237

#	Time	Username	Problem	Language	Result	Execution time	Memory
27237		TAMREF	제곱근 구하기 1 (gs13068_sqrt1)	C++11	1 / 1	0 ms	1128 KiB

sqrt1

#include <stdio.h>
#include <math.h>
int main(){
  long long n;
  scanf("%lld",&n);
  long long a=(int)sqrt(n);
  printf("%.6f\n",a+(double)(n-a*a)/(2*a+1));
}

Compilation message (stderr)

sqrt1.cpp: In function 'int main()':
sqrt1.cpp:5:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&n);
                   ^

• Subtask 1: 1 / 1