Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
127869 袁梓豪 18患病人数占总患病人数的比例 C++ Accepted 1 MS 272 KB 651 2025-07-29 17:19:03

Tests(10/10):


Code:

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