OJ7
取正浮点数的近似整数值
#include <iostream>
using namespace std;
int main()
{
    double d;
    cin >> d;
    cout << static_cast<int>(d + 0.5) << endl;
    return 0;
}知识点解析:
#include <iostream>
using namespace std;
int main()
{
    double d;
    cin >> d;
    cout << static_cast<int>(d + 0.5) << endl;
    return 0;
}知识点解析:
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