UVa - 11559 - Event Planning

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

int main(){
    int person, budget, hotel, week, price_each_person, avail_bed, l, mn, ans;
    while(cin >> person >> budget >> hotel >> week){
        mn = 214748364;
        while(hotel--){
            cin >> price_each_person;
            for(int i = 0; i < week; i++){
                cin >> avail_bed;
                if(avail_bed >= person){
                    ans = price_each_person * person;
                    mn = min(mn, ans);
                }
            }
        }
        if(mn <= budget)cout << mn << endl;
        else cout << "stay home" << endl;
    }
    return 0;
}