Run ID | 作者 | 问题 | 语言 | 测评结果 | Time | Memory | 代码长度 | 提交时间 |
---|---|---|---|---|---|---|---|---|
108025 | 张运衡 | 18患病人数占总患病人数的比例 | C++ | Accepted | 1 MS | 280 KB | 719 | 2025-01-19 13:49:32 |
#include<bits/stdc++.h> using namespace std; int main() { int n; double b = 0, c = 0, d = 0, e = 0, a[1000]; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { if (a[i] <= 18) { b++; } else if (a[i] >= 19 && a[i] <= 35) { c++; } else if (a[i] >= 36 && a[i] <= 60) { d++; } else { e++; } } printf("%.2lf%\n",b / n * 100.0 ); printf("%.2lf%\n",c / n * 100.0 ); printf("%.2lf%\n", d / n * 100.0 ); printf("%.2lf%\n",e / n * 100.0 ); return 0; }