Submission #874269

#	Time	Username	Problem	Language	Result	Execution time	Memory
874269		mertozel	Kitchen (BOI19_kitchen)	C++11	20 / 100	25 ms	804 KiB

kitchen

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

void ex() {
	cout << "Impossible";
	exit(0);
}
int main() {

	int n, m, k;
	cin >> n >> m >> k;


	vector<int> dp (300 * 300 + 1, -1);
	vector<int> values(n), work_hours(m);
	dp[0] = 0;
	int sum = 0;
	for(int &i : values) {cin >> i; sum+=i;}
	for(int &i : work_hours) cin >> i;
	if(m < k) ex();


	for(int j = 0; j < m; j++) {

		for(int i = 300*300; i >= 1; i--) {
			if(i >= work_hours[j] && dp[i-work_hours[j]] != -1) {
				dp[i] = max(dp[i-work_hours[j]] + min(n, work_hours[j]), dp[i]);
			}
		}	
	}

	int ans = INT_MAX;
	for(int i = sum; i<=300*m; i++) {

		if(dp[i] >= k) ans = min(ans, i-sum);
	}

	if(ans == INT_MAX) ex();

	cout << ans;
}

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