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Submission #594182

# Submission time Handle Problem Language Result Execution time Memory
594182 2022-07-12T07:54:54 Z piOOE Sandcastle 2 (JOI22_ho_t5) C++17
15 / 100
 5000 ms 3544 KB 
#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    bool swapped = false;
    if (n > m) {
        swapped = true;
        swap(n, m);
    }
    vector<vector<int>> a(n, vector<int>(m));
    for (int i = 0; i < (swapped ? m : n); ++i) {
        for (int j = 0; j < (swapped ? n : m); ++j) {
            if (!swapped) {
                cin >> a[i][j];
            } else {
                cin >> a[j][i];
            }
        }
    }
    auto adj = [](int x1, int y1, int x2, int y2) {
        return abs(x1 - x2) + abs(y1 - y2) < 2;
    };
    int ans = 0;
    for (int x1 = 0; x1 < n; ++x1) {
        for (int y1 = 0; y1 < m; ++y1) {
            for (int x2 = x1; x2 < n; ++x2) {
                set<array<int, 3>> st;
                int cnt = 0;
                for (int y2 = y1; y2 < m; ++y2) {
                    for (int x = x1; x <= x2; ++x) {
                        auto it = st.lower_bound({a[x][y2], -1, -1});
                        if (it != st.end()) {
                            if (it != st.begin()) {
                                cnt -= !adj((*it)[1], (*it)[2], (*prev(it))[1], (*prev(it))[2]);
                            }
                            cnt += !adj(x, y2, (*it)[1], (*it)[2]);
                        }
                        if (it != st.begin()) {
                            it = prev(it);
                            cnt += !adj(x, y2, (*it)[1], (*it)[2]);
                        }
                        st.insert({a[x][y2], x, y2});
                    }
                    if (n == 1 && cnt) {
                        break;
                    }
                    ans += cnt == 0;
                }
            }
        }
    }
    cout << ans;
    return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 5052 ms 3544 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 2 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 2 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 133 ms 340 KB Output is correct
8 Correct 1 ms 260 KB Output is correct
9 Correct 1338 ms 404 KB Output is correct
10 Correct 1047 ms 404 KB Output is correct
11 Correct 136 ms 404 KB Output is correct
12 Correct 163 ms 400 KB Output is correct
13 Correct 1186 ms 404 KB Output is correct
14 Correct 490 ms 364 KB Output is correct
15 Correct 1018 ms 400 KB Output is correct
16 Correct 1194 ms 460 KB Output is correct

Subtask #4
0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 2 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 133 ms 340 KB Output is correct
8 Correct 1 ms 260 KB Output is correct
9 Correct 1338 ms 404 KB Output is correct
10 Correct 1047 ms 404 KB Output is correct
11 Correct 136 ms 404 KB Output is correct
12 Correct 163 ms 400 KB Output is correct
13 Correct 1186 ms 404 KB Output is correct
14 Correct 490 ms 364 KB Output is correct
15 Correct 1018 ms 400 KB Output is correct
16 Correct 1194 ms 460 KB Output is correct
17 Correct 4292 ms 764 KB Output is correct
18 Execution timed out 5057 ms 716 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 2 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 133 ms 340 KB Output is correct
8 Correct 1 ms 260 KB Output is correct
9 Correct 1338 ms 404 KB Output is correct
10 Correct 1047 ms 404 KB Output is correct
11 Correct 136 ms 404 KB Output is correct
12 Correct 163 ms 400 KB Output is correct
13 Correct 1186 ms 404 KB Output is correct
14 Correct 490 ms 364 KB Output is correct
15 Correct 1018 ms 400 KB Output is correct
16 Correct 1194 ms 460 KB Output is correct
17 Correct 4292 ms 764 KB Output is correct
18 Execution timed out 5057 ms 716 KB Time limit exceeded
19 Halted 0 ms 0 KB -