oj.uz

Submission #862370

# Submission time Handle Problem Language Result Execution time Memory
862370 2023-10-18T06:34:56 Z maks007 Kitchen (BOI19_kitchen) C++14
100 / 100
 30 ms 1032 KB 
// Bismi Allah
#include "bits/stdc++.h"
 
using namespace std;
 
pair <int,int> dp[(int)1e5];

signed main () {
	int n, m, k;
	cin >> n >> m >> k;
	int meal[n], chef[m];
	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;
	}
	// if(k == 1) {
	// 	int szdp = accumulate(meal, meal + n, 0LL);
	// 	vector <int> dp((int)1e6, 0);
	// 	dp[0] = 1;
	// 	for(auto j : chef) {
	// 		for(int i = (int)1e6-1; i >= 0; i --) {
	// 			if(!dp[i]) continue;
	// 			dp[i+j] = 1;
	// 		}
	// 	}
	// 	int mn = 1e9;
	// 	for(int i = 0; i < dp.size(); i ++) {
	// 		if(dp[i] == 0) continue;
	// 		if(i < szdp) continue;
	// 		mn = min(mn, i-szdp);
	// 	}
	// 	if(mn == 1e9) cout << "Impossible\n";
	// 	else
	// 	cout << mn << "\n";
	// 	return 0;
	// }
	// if(*max_element(meal, meal + n) > 40 || *max_element(chef, chef + m) > 40){
	// 	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;
	// 		int cnt = 0, other = 0;
	// 		for(int i = 0; i < cook.size(); i ++) {
	// 			if(cook[i] >= n) cnt ++;
	// 			else {
	// 				other += cook[i];
	// 			}
	// 		}
	// 		cnt += (other / n);
	// 		if(cnt >= k)
	// 			ans = min(ans, accumulate(cook.begin(), cook.end(), 0LL) - accumulate(meal, meal + n, 0LL));
	// 	}
	// 	if(ans == 1e9) cout << "Impossible";
	// 	else
	// 	cout << ans;
	// 	return 0;
	// }
	int szdp = accumulate(meal, meal + n, 0);
	// dp[0][0][0] = 1; 
	// for(auto coin : chef) {
	// 	for(int i = 1699; i >= 0; i --) {
	// 		for(int full = 0; full < 41; full ++) {
	// 			for(int rezerv = 0; rezerv < 41; rezerv ++) {
	// 				if(dp[i][full][rezerv]) {
	// 					if(coin >= n) dp[i+coin][full+1][rezerv] = 1;
	// 					else {
	// 						dp[i+coin][full+(rezerv + coin)/n][(rezerv + coin) % n] = 1;
	// 					}
	// 				}
	// 			}
	// 		}
	// 	}
	// }
	// int ans = 1e9;
	// for(int i = szdp; i < 1700; i ++) {
	// 	for(int full = k; full < 50; full ++) {
	// 		for(int rezerv = 0; rezerv < 50; rezerv ++) {
	// 			if(dp[i][full][rezerv])
	// 			ans = min(ans, i-szdp);
	// 		}
	// 	}
	// }
	// if(ans == 1e9) cout << "Impossible";
	// else
	// cout << ans;
	// queue <vector <int>> q;
	// for(int i = 0; i < m; i ++) q.push({0, 0, i});
	// map <pair <int,int>,int> dp;
	// dp[{0,0}]=1;
	// int ii = 0;
	// while(!q.empty()) {
	// 	vector <int> cur = q.front();
	// 	q.pop();
	// 	if(cur[2] == m) break;
	// 	dp[{cur[0] + chef[cur[2]], cur[1] + min(chef[cur[2]], n)}] = 1;
	// 	for(int i = 0; i < m; i ++)
	// 	q.push({cur[0] + chef[cur[2]], cur[1] + min(chef[cur[2]], n), i});
	// }
	// int ans = 1e9;
	// for(auto i : dp) {
	// 	if(i.first.first >= szdp && i.first.second==n*k) ans = min(ans, i.first.first-szdp);
	// }
	// if(ans == 1e9) cout << "Impossible\n";
	// else
	// cout << ans;
	dp[0]={1,0};
	for(auto coin : chef) {
		for(int i = (int)1e5-1; i >= 0; i --) {
			if(dp[i].first == 0) continue;
			dp[i+coin] = max(dp[i+coin], {1,dp[i].second+min(n,coin)});
		}
	}
	int ans = 1e9;
	for(int i = szdp; i < (int)1e5; i ++) {
		if(dp[i].first == 1 && dp[i].second >= n * k) {
			ans = min(ans, i-szdp);
		}
	}
	if(ans == 1e9) cout << "Impossible";
	else cout << ans;
	return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 392 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 392 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 860 KB Output is correct
2 Correct 13 ms 692 KB Output is correct
3 Correct 28 ms 768 KB Output is correct
4 Correct 30 ms 860 KB Output is correct
5 Correct 27 ms 860 KB Output is correct
6 Correct 12 ms 604 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 392 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 15 ms 860 KB Output is correct
15 Correct 13 ms 692 KB Output is correct
16 Correct 28 ms 768 KB Output is correct
17 Correct 30 ms 860 KB Output is correct
18 Correct 27 ms 860 KB Output is correct
19 Correct 12 ms 604 KB Output is correct
20 Correct 4 ms 348 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 14 ms 860 KB Output is correct
26 Correct 16 ms 860 KB Output is correct
27 Correct 10 ms 604 KB Output is correct
28 Correct 20 ms 856 KB Output is correct
29 Correct 23 ms 900 KB Output is correct
30 Correct 30 ms 1032 KB Output is correct