Submission #1800689

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Source Code Expand

#include<cstdio>
#include<cmath>
#include<algorithm>

using namespace std;

int main(){
	int n; scanf("%d", &n);
	int res = 100000;
	for(int i = 1; i * i <= n; i++) res = min(res, (n / i - i) + (n - n / i * i));
	printf("%d\n", res);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int n; scanf("%d", &n);
                        ^

Judge Result