oj.uz

Submission #921385

# Submission time Handle Problem Language Result Execution time Memory
921385 2024-02-03T18:26:24 Z penguin133 Kitchen (BOI19_kitchen) C++17
100 / 100
 43 ms 111440 KB 
#include <bits/stdc++.h>
using namespace std;
 
//#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
/*
int memo[305][305][605], A[305], B[305], dp2[305][305], n, m, k, mx, mn = 1e9, ans = 2e9, sm;
 
int dp(int x, int y, int cur){
	if(x == m + 1){
		if(cur < mx || y < k)return 2e9;
		return (cur >= mx ? cur  - sm : 2e9);
	}
	if(memo[x][y][cur] != -1)return memo[x][y][cur];
	if(cur >= mx){
		return memo[x][y][cur] = (dp2[x][max(0, k - y)] + cur) - sm;
	}
	return memo[x][y][cur] = min(dp(x + 1, y, cur), dp(x + 1, y + 1, cur + B[x]));
}
*/
int n, m, k, A[305], B[305], mx, mn = 1e9, sm, dp[305][305*305 + 300];
 
void solve(){
	cin >> n >> m >> k;
	for(int i = 1; i <= n; i++)cin >> A[i], mx = max(mx, A[i]), sm += A[i], mn = min(mn, A[i]);
	if(mn < k){
		cout << "Impossible\n";
		return;
	}
	for(int i = 1; i <= m; i++)cin >> B[i];
	/*
	dp2[m+1][0] = 0;
	for(int i = 1; i <= m; i++)dp2[m+1][i] = 2e9;
	for(int i = m; i >= 1; i--){
		for(int j = 0; j <= m; j++){
			dp2[i][j] = min(dp2[i+1][j], (j ? dp2[i+1][j-1] + B[i] : (int)1e18));
		} 
	}
	memset(memo, -1, sizeof(memo));
	int res = dp(1, 0, 0);
	if(res > 1e9)cout << "Impossible\n";
	else cout << res << '\n';
	*/
	dp[0][0] = sm;
	for(int i = 1; i <= 300 * 300; i++)dp[0][i] = -2e9;
	for(int i = 1; i <= m; i++){
		for(int j = 0; j <= 300 * 300; j++){
			dp[i][j] = max(dp[i-1][j], (j >= B[i] ? dp[i - 1][j - B[i]] - max(0, B[i] - n) : (int)-1e18));
		}
	}
	for(int i = sm; i <= 300 * 300; i++){
		if(dp[m][i] >= k * n - (i - sm)){
			cout << i - sm << '\n';
			return;
		}
	}
	cout << "Impossible";
}
 
main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message

kitchen.cpp:67:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   67 | main(){
      | ^~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 3 ms 6748 KB Output is correct
10 Correct 3 ms 6792 KB Output is correct
11 Correct 3 ms 6748 KB Output is correct
12 Correct 3 ms 6748 KB Output is correct
13 Correct 3 ms 6748 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 96848 KB Output is correct
2 Correct 31 ms 84564 KB Output is correct
3 Correct 41 ms 111440 KB Output is correct
4 Correct 43 ms 111184 KB Output is correct
5 Correct 43 ms 107348 KB Output is correct
6 Correct 29 ms 78516 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16988 KB Output is correct
2 Correct 6 ms 17032 KB Output is correct
3 Correct 6 ms 16988 KB Output is correct
4 Correct 7 ms 16856 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 3 ms 6748 KB Output is correct
10 Correct 3 ms 6792 KB Output is correct
11 Correct 3 ms 6748 KB Output is correct
12 Correct 3 ms 6748 KB Output is correct
13 Correct 3 ms 6748 KB Output is correct
14 Correct 37 ms 96848 KB Output is correct
15 Correct 31 ms 84564 KB Output is correct
16 Correct 41 ms 111440 KB Output is correct
17 Correct 43 ms 111184 KB Output is correct
18 Correct 43 ms 107348 KB Output is correct
19 Correct 29 ms 78516 KB Output is correct
20 Correct 7 ms 16988 KB Output is correct
21 Correct 6 ms 17032 KB Output is correct
22 Correct 6 ms 16988 KB Output is correct
23 Correct 7 ms 16856 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 29 ms 78428 KB Output is correct
26 Correct 33 ms 90716 KB Output is correct
27 Correct 28 ms 60500 KB Output is correct
28 Correct 33 ms 90708 KB Output is correct
29 Correct 36 ms 92764 KB Output is correct
30 Correct 42 ms 111360 KB Output is correct