제출 #761316

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
761316		MetalPower	Kitchen (BOI19_kitchen)	C++14	0 / 100	18 ms	1716 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;

const int MX = 305;
const int INF = 1e9 + 7;

int N, M, K, a[MX], b[MX], dp[2][MX * MX], tot = 0;

void chmax(int& a, int b){
	if(b > a) a = b;
}

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	cin >> N >> M >> K;
	for(int i = 0; i < N; i++) cin >> a[i];
	for(int j = 0; j < M; j++) cin >> b[j];

	bool f = true;
	for(int i = 0; i < N; i++){
		if(a[i] < K) f = false;
		tot += a[i];
	}
	if(!f){
		cout << "Impossible\n";
		return 0;
	}

	for(int j = 0; j <= 300 * M; j++) dp[0][j] = -INF;

	int id = 1;
	for(int i = 0; i < M; i++){
		for(int j = 0; j <= 300 * M; j++){
			chmax(dp[id][j + b[i]], dp[id ^ 1][j] + min(b[i], N));
			chmax(dp[id][j], dp[id ^ 1][j]);
		}
		id ^= 1;
	}

	for(int j = tot; j <= 300 * M; j++){
		if(dp[M][j] >= N * K){
			cout << j - tot << '\n';
			return 0;
		}
	}

	cout << "Impossible\n";
}

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