题解 | 单组_保留小数位数
单组_保留小数位数
https://www.nowcoder.com/practice/a4bccea7f4644fbda1208f8e0d397bab?tpId=372&tags=&title=&difficulty=0&judgeStatus=0&rp=0&sourceUrl=%2Fexam%2Foj%3Fpage%3D1%26tab%3D%25E7%25AE%2597%25E6%25B3%2595%25E7%25AF%2587%26topicId%3D372
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
double num;
cin >> num;
cout << fixed << setprecision(3) << num;
return 0;
}
