取近似值

题目描述

输入一个浮点数值

输出该数值的近似整数值

5.5

6

#include <iostream>
using namespace std;
/*
int main()
{
float a;
cin >> a;
int b = (int)(a + 0.5);
cout << b;
return 0;
}*/

int main()
{
float a;
cin >> a;
int b = (int)a;
float n = a - b;
if(n >= 0.5)
{
cout << b+1;
}
else
{
cout << b;
}
return 0;
}