1053住房空置率

#include <iostream>
#include <cstdio>
using namespace std;

int main() {
	int n, D;
	double e;
	cin >> n >> e >> D;
	int may = 0, must = 0;
	for(int i = 0; i < n; i++) {
		int num;
		cin >> num;
		int a = 0;
		for(int j = 0; j < num; j++) {
			double s;
			cin >> s;
			if(s < e) {
				a++;
			}
		}
		if(a > num / 2 && num > D) {
			must++;
		} else if(a > num / 2) {
			may++;
		}
	}
	
	double ma, mu;
	ma = may * 1.0 / n * 100;
	mu = must * 1.0 / n * 100;
	printf("%.1lf%% %.1lf%%", ma, mu);
	return 0;
}#include <iostream>
#include