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 |
#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; }