题解 | #实现四舍五入#

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

int main() {
	float n = 0;
	scanf("%f", &n);
	if (n >= 0)
		printf("%d", (int)(n + 0.5));
	else
		printf("%d", (int)(n - 0.5));
	return 0;
}