题解 | #取整数#
取近似值
http://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
#include <iostream>
using namespace std;
int qz(double in)
{
int result=(int)(in*10);
if(result%10<5)
{
result/=10;
}
else
{
result+=10;
result/=10;
}
return result;
}
int main()
{
double in;
cin>>in;
cout<<qz(in)<<endl;
}
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