Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
127875 唐洪盛 18患病人数占总患病人数的比例 C++ Accepted 1 MS 268 KB 648 2025-07-29 17:33:25

Tests(10/10):


Code:

#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int d = 0, e = 0, f = 0; int c = 0; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { if (a[i] <= 18 ) { c++; } if (a[i] >= 19 && a[i] <= 35) { d++; } if (a[i] >= 36 && a[i] <= 60) { e++; } if (a[i] >= 61) { f++; } } printf("%.2f", c * 100.0 / n); cout << "%" << endl; printf("%.2f", d * 100.0 / n); cout << "%" << endl; printf("%.2f", e * 100.0 / n); cout << "%" << endl; printf("%.2f", f * 100.0 / n); cout << "%" << endl; return 0; }