oj.uz

Submission #926012

# Submission time Handle Problem Language Result Execution time Memory
926012 2024-02-12T12:50:51 Z vjudge1 Kitchen (BOI19_kitchen) C++17
100 / 100
 75 ms 106880 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define ll long long
#define pb push_back
#define emb emplace_back
#define emc emplace
#define pii pair<int,int>
#define pll pair<ll,ll>
#define F first
#define S second
template <class type_key, class type_val>
using um = unordered_map<type_key, type_val>;
template <class T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template <class T>
using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

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

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

	int a[n+1];
	int tota = 0;
	for( int i = 1; i <= n; i++ ) {
		cin >> a[i];
		tota += a[i];
		if( a[i] < k ) return cout << "Impossible", 0;
	}
	
	int w[m+1], c[m+1];
	int totb = 0;
	for( int i = 1; i <= m; i++ ) {
		int b;
		cin >> b;
		totb += b;

		w[i] = b;
		c[i] = min(n, b);
	}

	if( tota > totb || k > m ) return cout << "Impossible", 0;

	vector<vector<int>> dp(m+1,vector<int>(90001, -INT_MAX));
	for( int i = 0; i <= m; i++ ) dp[i][0] = 0;

	for( int i = 1; i <= m; i++ ) {
		for( int j = 1; j <= 90000; j++ ) {
			dp[i][j] = dp[i-1][j];

			if( j - w[i] >= 0 ) {
				if( dp[i][j - w[i]] == -INT_MAX ) continue;
				dp[i][j] = max(dp[i][j], dp[i-1][j-w[i]] + c[i]);
			}
		}
	}

	int ans = -1;
	for( int i = tota; i <= 90000; i++ ) {
		if( dp[m][i] >= n*k ) {
			ans = i - tota;
			break;
		}
	}

	if( ans == -1 ) cout << "Impossible";
	else cout << ans;

return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 2 ms 1628 KB Output is correct
3 Correct 1 ms 1732 KB Output is correct
4 Correct 1 ms 1784 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 2 ms 1628 KB Output is correct
3 Correct 1 ms 1732 KB Output is correct
4 Correct 1 ms 1784 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 5 ms 6236 KB Output is correct
10 Correct 4 ms 6236 KB Output is correct
11 Correct 4 ms 6232 KB Output is correct
12 Correct 4 ms 6236 KB Output is correct
13 Correct 4 ms 6236 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 93020 KB Output is correct
2 Correct 59 ms 80792 KB Output is correct
3 Correct 75 ms 106880 KB Output is correct
4 Correct 75 ms 106836 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 58 ms 74320 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 15192 KB Output is correct
2 Correct 13 ms 15196 KB Output is correct
3 Correct 13 ms 15192 KB Output is correct
4 Correct 12 ms 15196 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 1628 KB Output is correct
2 Correct 2 ms 1628 KB Output is correct
3 Correct 1 ms 1732 KB Output is correct
4 Correct 1 ms 1784 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 5 ms 6236 KB Output is correct
10 Correct 4 ms 6236 KB Output is correct
11 Correct 4 ms 6232 KB Output is correct
12 Correct 4 ms 6236 KB Output is correct
13 Correct 4 ms 6236 KB Output is correct
14 Correct 66 ms 93020 KB Output is correct
15 Correct 59 ms 80792 KB Output is correct
16 Correct 75 ms 106880 KB Output is correct
17 Correct 75 ms 106836 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 58 ms 74320 KB Output is correct
20 Correct 11 ms 15192 KB Output is correct
21 Correct 13 ms 15196 KB Output is correct
22 Correct 13 ms 15192 KB Output is correct
23 Correct 12 ms 15196 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 53 ms 75092 KB Output is correct
26 Correct 66 ms 86652 KB Output is correct
27 Correct 40 ms 57436 KB Output is correct
28 Correct 63 ms 87120 KB Output is correct
29 Correct 66 ms 89428 KB Output is correct
30 Correct 75 ms 106768 KB Output is correct