Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
106429 唐安轩 18患病人数占总患病人数的比例 C++ Accepted 1 MS 276 KB 714 2025-01-16 11:31:15

Tests(10/10):


Code:

#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; }