oj.uz

Submission #940820

# Submission time Handle Problem Language Result Execution time Memory
940820 2024-03-07T16:51:33 Z alextodoran Security Guard (JOI23_guard) C++17
0 / 100
 34 ms 5544 KB 
/**
 _  _   __  _ _ _  _  _ _
 |a  ||t  ||o    d | |o  |
| __    _| | _ | __|  _ |
| __ |/_  | __  /__\ / _\|

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N_MAX = 200000;
const int M_MAX = 400000;
const int Q_MAX = 200000;

int N, M, Q;
int S[N_MAX + 2];

int L[N_MAX + 2], R[N_MAX + 2];

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> N >> M >> Q;
    assert(M == N - 1 && Q == 0);
    for (int i = 1; i <= N; i++) {
        cin >> S[i];
    }
    for (int i = 1; i <= M; i++) {
        int u, v;
        cin >> u >> v;
        assert(u == i && v == i + 1);
    }
    for (int i = 1; i <= N; i++) {
        if (i > 1 && S[i] >= S[i - 1]) {
            L[i] = S[i];
        } else {
            L[i] = L[i - 1];
        }
    }
    for (int i = N; i >= 1; i--) {
        if (i < N && S[i] >= S[i + 1]) {
            R[i] = S[i];
        } else {
            R[i] = R[i + 1];
        }
    }
    ll answer = 0;
    for (int i = 1; i + 1 <= N; i++) {
        answer += min(S[i], S[i + 1]);
    }
    for (int i = 1; i <= N; i++) {
        answer += max(L[i], R[i]) - S[i];
    }
    cout << answer << "\n";

    return 0;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 34 ms 5544 KB Output is correct
3 Correct 31 ms 5532 KB Output is correct
4 Incorrect 32 ms 5456 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 34 ms 5544 KB Output is correct
3 Correct 31 ms 5532 KB Output is correct
4 Incorrect 32 ms 5456 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 34 ms 5544 KB Output is correct
3 Correct 31 ms 5532 KB Output is correct
4 Incorrect 32 ms 5456 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 34 ms 5544 KB Output is correct
3 Correct 31 ms 5532 KB Output is correct
4 Incorrect 32 ms 5456 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Runtime error 1 ms 604 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Runtime error 1 ms 604 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 34 ms 5544 KB Output is correct
3 Correct 31 ms 5532 KB Output is correct
4 Incorrect 32 ms 5456 KB Output isn't correct
5 Halted 0 ms 0 KB -