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Submission #494803

# Submission time Handle Problem Language Result Execution time Memory
494803 2021-12-16T14:12:44 Z blue Discharging (NOI20_discharging) C++17
0 / 100
 1000 ms 15940 KB 
#include <iostream>
#include <vector>
#include <cassert>
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(1+N);
    t[0] = 0;
    for(int i = 1; i <= N; i++) cin >> t[i];

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

    vll diff;

    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));
        }

        // if(i > 1) diff.push_back(dp[i] - dp[i-1]);
        if(i > 2) assert(dp[i-1] - dp[i-2] <= dp[i] - dp[i-1]);
    }

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

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Runtime error 1 ms 460 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1084 ms 15940 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Runtime error 1 ms 460 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #6
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Runtime error 1 ms 460 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -