提交时间:2020-08-20 13:31:08

运行 ID: 5855

#include <iostream> #include <cstdio> #include <iomanip> #include <cmath> using namespace std; int main () { int n, y; double t,x; cin >> t >> n; x=t/n; y = 2*n; printf("%.3f\n", x); cout << y; return 0; }