myhemu 2020-11-28 11:05:58 2020-11-28 19:17:02 11 返回题目
#include<bits/stdc++.h> using namespace std; int main() { double a,b; cin>>a>>b; double s=0; s=(b/a)*100; cout<<setiosflags(ios::fixed)<<setprecision(3); cout<<s<<"%"; return 0; }