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Submission #604335

# Submission time Handle Problem Language Result Execution time Memory
604335 2022-07-25T04:18:35 Z Jomnoi Uplifting Excursion (BOI22_vault) C++17
0 / 100
 990 ms 748 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAX_N = 605;
const int MAX_W = 11005;
const int INF = 1e9 + 7;

long long A[MAX_N], dp[2][MAX_W];

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    int M;
    long long L;
    cin >> M >> L;

    for(int i = -M; i <= M; i++) {
        cin >> A[i + M];
    }

    for(int i = 0; i < MAX_W; i++) {
        dp[0][i] = -INF;
    }
    dp[0][MAX_W / 2] = 0;

    int j = 1;
    for(int i = -M; i <= M; i++, j ^= 1) {
        int now = j, pre = j ^ 1;
        for(int j = MAX_W - 1; j >= 0; j--) {
            dp[now][j] = dp[pre][j];
            for(int k = 0; k <= A[i + M]; k++) {
                if(j - k * i >= 0 and j - k * i < MAX_W and dp[pre][j - k * i] != -INF) {
                    dp[now][j] = max(dp[now][j], dp[pre][j - k * i] + k);
                }
            }
        }
    }
    
    if(dp[j ^ 1][MAX_W / 2 + L] == -INF) {
        cout << "impossible";
    }
    else {
        cout << dp[j ^ 1][MAX_W / 2 + L];
    }
    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Runtime error 58 ms 748 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Runtime error 58 ms 748 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Runtime error 990 ms 728 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Runtime error 990 ms 728 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Runtime error 990 ms 728 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Runtime error 58 ms 748 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Runtime error 990 ms 728 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Runtime error 58 ms 748 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Runtime error 990 ms 728 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Runtime error 58 ms 748 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -