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Submission #970824

# Submission time Handle Problem Language Result Execution time Memory
970824 2024-04-27T10:55:28 Z vladilius The short shank; Redemption (BOI21_prison) C++17
15 / 100
 2000 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n, d, t; cin>>n>>d>>t;
    vector<int> a(n + 1);
    for (int i = 1; i <= n; i++){
        cin>>a[i];
    }
    vector<vector<int>> h(n + 1, vector<int>(n + 1));
    for (int i = 1; i <= n; i++){
        priority_queue<int, vector<int>, greater<int>> pq;
        int tt = 0, cnt = 0;
        for (int j = i; j <= n; j++){
            pq.push(a[j] - tt);
            int m = pq.top() + tt;
            cnt += (m <= t);
            h[i][j] = cnt;
            tt++;
        }
    }

    vector<vector<int>> dp(n + 1, vector<int>(d + 1));
    for (int i = 1; i <= n; i++){
        dp[i][0] = h[1][i];
    }
    for (int k = 1; k <= d; k++){
        for (int i = 1; i <= n; i++){
            dp[i][k] = dp[i][k - 1];
            for (int j = 1; j < i; j++){
                dp[i][k] = min(dp[i][k], dp[j][k - 1] + h[j + 1][i]);
            }
        }
    }
    
    cout<<dp[n][d]<<"\n";
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 4 ms 1116 KB Output is correct
3 Correct 5 ms 1116 KB Output is correct
4 Correct 13 ms 1372 KB Output is correct
5 Correct 22 ms 1624 KB Output is correct
6 Correct 3 ms 1368 KB Output is correct
7 Correct 12 ms 1372 KB Output is correct
8 Correct 5 ms 1372 KB Output is correct
9 Correct 7 ms 1468 KB Output is correct
10 Correct 13 ms 1372 KB Output is correct
11 Correct 23 ms 1680 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 353 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 4 ms 1116 KB Output is correct
3 Correct 5 ms 1116 KB Output is correct
4 Correct 13 ms 1372 KB Output is correct
5 Correct 22 ms 1624 KB Output is correct
6 Correct 3 ms 1368 KB Output is correct
7 Correct 12 ms 1372 KB Output is correct
8 Correct 5 ms 1372 KB Output is correct
9 Correct 7 ms 1468 KB Output is correct
10 Correct 13 ms 1372 KB Output is correct
11 Correct 23 ms 1680 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 3 ms 1116 KB Output is correct
14 Correct 5 ms 1116 KB Output is correct
15 Correct 16 ms 1372 KB Output is correct
16 Correct 23 ms 1628 KB Output is correct
17 Correct 3 ms 1368 KB Output is correct
18 Correct 11 ms 1560 KB Output is correct
19 Correct 4 ms 1368 KB Output is correct
20 Correct 7 ms 1372 KB Output is correct
21 Correct 13 ms 1576 KB Output is correct
22 Correct 22 ms 1624 KB Output is correct
23 Execution timed out 2041 ms 65048 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 197 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 4 ms 1116 KB Output is correct
3 Correct 5 ms 1116 KB Output is correct
4 Correct 13 ms 1372 KB Output is correct
5 Correct 22 ms 1624 KB Output is correct
6 Correct 3 ms 1368 KB Output is correct
7 Correct 12 ms 1372 KB Output is correct
8 Correct 5 ms 1372 KB Output is correct
9 Correct 7 ms 1468 KB Output is correct
10 Correct 13 ms 1372 KB Output is correct
11 Correct 23 ms 1680 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 3 ms 1116 KB Output is correct
14 Correct 5 ms 1116 KB Output is correct
15 Correct 16 ms 1372 KB Output is correct
16 Correct 23 ms 1628 KB Output is correct
17 Correct 3 ms 1368 KB Output is correct
18 Correct 11 ms 1560 KB Output is correct
19 Correct 4 ms 1368 KB Output is correct
20 Correct 7 ms 1372 KB Output is correct
21 Correct 13 ms 1576 KB Output is correct
22 Correct 22 ms 1624 KB Output is correct
23 Execution timed out 2041 ms 65048 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 4 ms 1116 KB Output is correct
3 Correct 5 ms 1116 KB Output is correct
4 Correct 13 ms 1372 KB Output is correct
5 Correct 22 ms 1624 KB Output is correct
6 Correct 3 ms 1368 KB Output is correct
7 Correct 12 ms 1372 KB Output is correct
8 Correct 5 ms 1372 KB Output is correct
9 Correct 7 ms 1468 KB Output is correct
10 Correct 13 ms 1372 KB Output is correct
11 Correct 23 ms 1680 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Runtime error 353 ms 524288 KB Execution killed with signal 9
14 Halted 0 ms 0 KB -