Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
116056 李明秦 18患病人数占总患病人数的比例 C++ Compile Error 0 MS 0 KB 471 2025-04-06 09:33:02

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main() { int n,a[101]={}; double cnt1=0,cnt2=0,cnt3=0,cnt4=0; cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; if(0<=a[i]&&a[i<=18]) cnt1++; if(19<=a[i]&&a[i<=35]) cnt2++; if(36<=a[i]&&a[i<=60]) cnt3++; if(61<=a[i]) cnt4++; } printf("%.2lf%%\n",cn1/n*100); printf("%.2lf%%\n",cn2/n*100); printf("%.2lf%%\n",cn3/n*100); printf("%.2lf%%\n",cn4/n*100); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:20:21: error: 'cn1' was not declared in this scope
  printf("%.2lf%%\n",cn1/n*100);
                     ^
Main.cc:21:21: error: 'cn2' was not declared in this scope
  printf("%.2lf%%\n",cn2/n*100);
                     ^
Main.cc:22:21: error: 'cn3' was not declared in this scope
  printf("%.2lf%%\n",cn3/n*100);
                     ^
Main.cc:23:21: error: 'cn4' was not declared in this scope
  printf("%.2lf%%\n",cn4/n*100);
                     ^