Submission #862318

#	Time	Username	Problem	Language	Result	Execution time	Memory
862318		maks007	Kitchen (BOI19_kitchen)	C++14	9 / 100	4 ms	600 KiB

kitchen

// Bismi Allah
#include "bits/stdc++.h"

using namespace std;

#define int long long

signed main () {
	int n, m, k;
	cin >> n >> m >> k;
	int meal[n], chef[m], mealCopy[n];
	for(int i = 0; i < n; i ++) cin >> meal[i];
	for(int i = 0; i < m; i ++) cin >> chef[i];
	if(*min_element(meal, meal + n) < k) {
		cout << "Impossible";
		return 0;
	}
	if(m < k) {
		cout << "Impossible";
		return 0;
	}
	int ans = 1e9;
	for(int mask = 0; mask < (1 << m); mask ++) {
		if(__builtin_popcount(mask) < k) continue;
		vector <int> cook;
		for(int i = 0; i < m; i ++) {
			if(mask & (1 << i)) {
				cook.push_back(chef[i]);
			}
		}
		if(accumulate(cook.begin(), cook.end(), 0LL) < accumulate(meal, meal + n, 0LL)) continue;
		ans = min(ans, accumulate(cook.begin(), cook.end(), 0LL) - accumulate(meal, meal + n, 0LL));
	}
	if(ans == 1e9) cout << "Impossible";
	else
	cout << ans;
	return 0;
}

Compilation message (stderr)

kitchen.cpp: In function 'int main()':
kitchen.cpp:11:24: warning: unused variable 'mealCopy' [-Wunused-variable]
   11 |  int meal[n], chef[m], mealCopy[n];
      |                        ^~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28