Submission #133028

#	Time	Username	Problem	Language	Result	Execution time	Memory
133028		E869120	Kitchen (BOI19_kitchen)	C++14	31 / 100	19 ms	404 KiB

kitchen

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

int N, M, K, S, A[309], B[309];

int solve(vector<int>R) {
	int s1 = 0, s2 = 0;
	for (int i = 0; i < R.size(); i++) {
		s1 += min(N, R[i]);
		s2 += R[i];
	}
	if (s1 < N * K) return (1 << 30);
	if (s2 < S) return (1 << 30);
	return s2 - S;
}

int main() {
	cin >> N >> M >> K;
	for (int i = 0; i < N; i++) {
		cin >> A[i]; S += A[i];
		if (A[i] < K) {
			cout << "Impossible" << endl;
			return 0;
		}
	}
	for (int i = 0; i < M; i++) cin >> B[i];

	int ans = (1 << 30);
	for (int i = 0; i < (1 << M); i++) {
		vector<int> vec;
		for (int j = 0; j < M; j++) {
			if ((i / (1 << j)) % 2 == 1) vec.push_back(B[j]);
		}
		int ret = solve(vec);
		ans = min(ans, ret);
	}
	if (ans == (1 << 30)) cout << "Impossible" << endl;
	else cout << ans << endl;
	return 0;
}

Compilation message (stderr)

kitchen.cpp: In function 'int solve(std::vector<int>)':
kitchen.cpp:10:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < R.size(); i++) {
                  ~~^~~~~~~~~~

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