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Submission #485725

# Submission time Handle Problem Language Result Execution time Memory
485725 2021-11-09T06:37:49 Z blue Discharging (NOI20_discharging) C++17
36 / 100
 1000 ms 15944 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

using ll = long long;
using vll = vector<ll>;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int N;
    cin >> N;

    vll t(N+1);
    t[N] = 0;
    for(int i = 0; i < N; i++) cin >> t[i];

    reverse(t.begin(), t.end());

    vll dp(1+N, 1'000'000'000'000'000'000LL);
    dp[0] = 0;

    for(int i = 1; i <= N; i++)
    {
        ll curr_max = 0;
        for(int j = i-1; j >= 0; j--)
        {
            curr_max = max(curr_max, t[j+1]);
            dp[i] = min(dp[i], dp[j] + curr_max * i);
        }
    }

    // for(int i = N; i >= 1; i--)
    // {
    //     ll curr_max = 0;
    //     for(int j = i+1; j <= N+1; j++)
    //     {
    //         curr_max = max(curr_max, t[j-1]);
    //         dp[i] = min(dp[i], dp[j] + curr_max * (N - (i - 1)));
    //     }
    // }
    // for(int i = 1; i <= N; i++)
    // {
    //     ll curr_max = 0;
    //     for(int j = i-1; j >= 0; j--)
    //     {
    //         curr_max = max(curr_max, t[j+1]);
    //         dp[i] = min(dp[i], dp[j] + curr_max * (N - j));
    //     }
    // }

    cout << dp[N] << '\n';
}

Subtask #1
9.0 / 9.0

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

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 3 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 3 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Execution timed out 1088 ms 15944 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1091 ms 15940 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 2 ms 332 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 3 ms 332 KB Output is correct
27 Correct 2 ms 332 KB Output is correct
28 Correct 4 ms 332 KB Output is correct
29 Correct 2 ms 332 KB Output is correct
30 Correct 2 ms 332 KB Output is correct
31 Correct 2 ms 332 KB Output is correct
32 Correct 2 ms 332 KB Output is correct
33 Correct 2 ms 332 KB Output is correct
34 Correct 2 ms 332 KB Output is correct
35 Correct 2 ms 332 KB Output is correct
36 Correct 2 ms 332 KB Output is correct
37 Correct 3 ms 444 KB Output is correct
38 Correct 2 ms 332 KB Output is correct
39 Correct 2 ms 324 KB Output is correct
40 Correct 2 ms 332 KB Output is correct
41 Correct 2 ms 332 KB Output is correct
42 Correct 2 ms 332 KB Output is correct
43 Correct 2 ms 332 KB Output is correct
44 Correct 2 ms 332 KB Output is correct
45 Correct 2 ms 332 KB Output is correct
46 Correct 3 ms 336 KB Output is correct
47 Correct 2 ms 332 KB Output is correct
48 Correct 2 ms 332 KB Output is correct
49 Correct 2 ms 332 KB Output is correct
50 Correct 2 ms 332 KB Output is correct

Subtask #6
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 2 ms 332 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 3 ms 332 KB Output is correct
27 Correct 2 ms 332 KB Output is correct
28 Correct 4 ms 332 KB Output is correct
29 Correct 2 ms 332 KB Output is correct
30 Execution timed out 1088 ms 15944 KB Time limit exceeded
31 Halted 0 ms 0 KB -