oj.uz

Submission #564007

# Submission time Handle Problem Language Result Execution time Memory
564007 2022-05-18T12:16:46 Z KoD Editor (BOI15_edi) C++17
35 / 100
 3000 ms 6360 KB 
#include <bits/stdc++.h>
 
using std::vector;
using std::array;

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int N;
    std::cin >> N;
    vector<int> op(N);
    for (auto& x : op) {
        std::cin >> x;
    }
    vector<char> active(N);
    vector<int> par(N);
    vector<int> prev(N);
    for (int i = 0; i < N; ++i) {
        active[i] = true;
        if (op[i] < 0) {
            int j = i - 1;
            while (op[j] <= op[i] or !active[j]) {
                j -= 1;
            }
            par[i] = j;
            prev[i] = j - 1;
            int k = i;
            while (op[k] < 0) {
                active[par[k]] ^= 1;
                k = par[k];
            }
            {
                int x = i - 1;
                while (op[x] <= op[i]) {
                    x = prev[x];
                }
                assert(x == j);
            }
        } else {
            par[i] = -1;
            prev[i] = i;
        }
        int ans = 0;
        for (int j = i; j >= 0; --j) {
            if (active[j] and op[j] > 0) {
                ans = op[j];
                break;
            }
        }
        std::cout << ans << '\n';
    }
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 9 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 50 ms 412 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 712 ms 6260 KB Output is correct
2 Correct 790 ms 6360 KB Output is correct

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3082 ms 3404 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 9 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 50 ms 412 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 712 ms 6260 KB Output is correct
11 Correct 790 ms 6360 KB Output is correct
12 Execution timed out 3082 ms 3404 KB Time limit exceeded
13 Halted 0 ms 0 KB -