Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
127873 葛锦东 18患病人数占总患病人数的比例 C++ Accepted 1 MS 272 KB 669 2025-07-29 17:32:11

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 l = 0; int b = 0; for (int i = 0; i < n; i++) { if (a[i] <= 18) { c = c + 1; } if (19 <= a[i] && a[i] <= 35 ) { d = d + 1; } if (36 <= a[i] && a[i] <= 60 ) { l = l + 1; } if (a[i] >= 61) { b = b + 1; } } printf("%.2f", c * 100.0 / n); cout << "%" << endl; printf("%.2f", d * 100.0 / n); cout << "%" << endl; printf("%.2f", l * 100.0 / n); cout << "%" << endl; printf("%.2f", b * 100.0 / n); cout << "%" << endl; return 0; }