【算法笔记】B1053 住房空置率

 1 #include <bits/stdc++.h>
 2 using namespace std;
 3 
 4 int main(){
 5     int n, d, p_empty = 0, empty = 0;
 6     double e, use;
 7     cin>>n>>e>>d;
 8     int days[n];
 9     for(int i = 0; i < n; i++){
10         int day = 0;
11         cin>>days[i];
12         for(int j = 0; j < days[i]; j++){
13             cin>>use;
14             if(use < e) day++;
15         }
16         if(day>(days[i]/2)){
17             if(days[i]>d) empty++;
18             else p_empty++;
19         }
20     }
21     printf("%.1lf%% %.1lf%%\n",(double)p_empty/n*100, (double)empty/n*100);
22     return 0;
23 }