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Submission #444802

# Submission time Handle Problem Language Result Execution time Memory
444802 2021-07-15T11:32:50 Z zxcvbnm Kitchen (BOI19_kitchen) C++14
100 / 100
 121 ms 110228 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = 1e9 + 5;
const int maxN = 305;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m, k;
    cin >> n >> m >> k;
    vector<int> a(n), b(m);
    for(int& i : a) {
        cin >> i;
    }
    for(int& i : b) {
        cin >> i;
    }

    int ans = INF;
    for(int i : a) {
        if (i < k) {
            cout << "Impossible\n";
            exit(0);
        }
    }

    int dp[m+2][maxN*maxN];
    int time = accumulate(a.begin(), a.end(), 0);
    for(int i = 0; i <= m; i++) {
        for(int j = 0; j < maxN*maxN; j++) {
            dp[i][j] = -INF;
        }
    }

    dp[0][0] = 0;
    for(int i = 1; i <= m; i++) {
        for(int j = 0; j < maxN*maxN; j++) {
            dp[i][j] = dp[i-1][j];
            if (j-b[i-1] < 0) continue;

            dp[i][j] = max(dp[i][j], dp[i-1][j-b[i-1]] + min(n, b[i-1]));
            if (dp[i][j] >= k*n && j >= time && j-time < ans) {
                ans = j-time;
            }
        }
    }

    if (ans == INF) {
        cout << "Impossible\n";
    } else {
        cout << ans << "\n";
    }
    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1740 KB Output is correct
2 Correct 1 ms 1740 KB Output is correct
3 Correct 2 ms 1740 KB Output is correct
4 Correct 2 ms 1740 KB Output is correct
5 Correct 2 ms 1740 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 2 ms 1740 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1740 KB Output is correct
2 Correct 1 ms 1740 KB Output is correct
3 Correct 2 ms 1740 KB Output is correct
4 Correct 2 ms 1740 KB Output is correct
5 Correct 2 ms 1740 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 2 ms 1740 KB Output is correct
9 Correct 7 ms 6476 KB Output is correct
10 Correct 7 ms 6476 KB Output is correct
11 Correct 7 ms 6476 KB Output is correct
12 Correct 7 ms 6476 KB Output is correct
13 Correct 7 ms 6488 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 96172 KB Output is correct
2 Correct 92 ms 83256 KB Output is correct
3 Correct 121 ms 110228 KB Output is correct
4 Correct 120 ms 110148 KB Output is correct
5 Correct 116 ms 106608 KB Output is correct
6 Correct 84 ms 76868 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 15584 KB Output is correct
2 Correct 18 ms 15588 KB Output is correct
3 Correct 17 ms 15600 KB Output is correct
4 Correct 17 ms 15592 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1740 KB Output is correct
2 Correct 1 ms 1740 KB Output is correct
3 Correct 2 ms 1740 KB Output is correct
4 Correct 2 ms 1740 KB Output is correct
5 Correct 2 ms 1740 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 2 ms 1740 KB Output is correct
9 Correct 7 ms 6476 KB Output is correct
10 Correct 7 ms 6476 KB Output is correct
11 Correct 7 ms 6476 KB Output is correct
12 Correct 7 ms 6476 KB Output is correct
13 Correct 7 ms 6488 KB Output is correct
14 Correct 106 ms 96172 KB Output is correct
15 Correct 92 ms 83256 KB Output is correct
16 Correct 121 ms 110228 KB Output is correct
17 Correct 120 ms 110148 KB Output is correct
18 Correct 116 ms 106608 KB Output is correct
19 Correct 84 ms 76868 KB Output is correct
20 Correct 17 ms 15584 KB Output is correct
21 Correct 18 ms 15588 KB Output is correct
22 Correct 17 ms 15600 KB Output is correct
23 Correct 17 ms 15592 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 84 ms 77464 KB Output is correct
26 Correct 98 ms 89524 KB Output is correct
27 Correct 66 ms 59204 KB Output is correct
28 Correct 97 ms 89792 KB Output is correct
29 Correct 100 ms 91972 KB Output is correct
30 Correct 118 ms 110148 KB Output is correct