oj.uz

답안 #1084650

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1084650 2024-09-06T15:53:57 Z SulA Text editor (CEOI24_editor) C++17
14 / 100
 82 ms 24976 KB 
#include <bits/stdc++.h>
using namespace std;

void subtask_2(int n) {
    pair<int,int> start, end;
    cin >> start.first >> start.second >> end.first >> end.second;

    int l[n+1]; for (int i = 1; i <= n; i++) {
        cin >> l[i];
        l[i]++;
    }

    int dist[n+1][5002];
    bool vis[n+1][5002] = {};
    queue<pair<int,int>> q;
    q.push(start);
    vis[start.first][start.second] = true;
    dist[start.first][start.second] = 0;

    auto visit = [&](int to_x, int to_y, int from_x, int from_y) {
        if (!vis[to_x][to_y]) {
            dist[to_x][to_y] = dist[from_x][from_y] + 1;
            vis[to_x][to_y] = true;
            q.emplace(to_x, to_y);
        }
    };

    while (!q.empty()) {
        auto [x, y] = q.front();
        q.pop();

        // left
        if (x != 1 || y != 1) {
            int l_x, l_y;
            if (y == 1) {
                l_x = x - 1;
                l_y = l[x - 1];
            } else {
                l_x = x;
                l_y = y - 1;
            }
            visit(l_x, l_y, x, y);
        }

        // right
        if (x != n || y != 1) {
            int r_x, r_y;
            if (y == l[x]) {
                r_x = x + 1;
                r_y = 1;
            } else {
                r_x = x;
                r_y = y + 1;
            }
            visit(r_x, r_y, x, y);
        }

        // up
        if (x != 1) {
            visit(x - 1, min(y, l[x - 1]), x, y);
        }

        // down
        if (x != n) {
            visit(x + 1, min(y, l[x + 1]), x, y);
        }
    }
    cout << dist[end.first][end.second];
}

int find_dist(int s, int e, int len) {
    return min({
       (s - e + len) % len,
       (e - s + len) % len
    });
}

void subtask_1() {
    int s_row, s_col, e_row, e_col, l;
    cin >> s_row >> s_col >> e_row >> e_col >> l;
    l++;

    if (e_row == 2) { // end is row 2
        cout << (s_row == 1 ? 1 : 0);
    } else if (s_row == 1) { // both on row 1
        cout << find_dist(s_col, e_col, l) << "\n";
    } else {
        cout << 1 + min({
            find_dist(1, e_col, l),
            find_dist(l, e_col, l)
        });
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n; cin >> n;
    if (n == 2) subtask_1();
    else if (n <= 1000) subtask_2(n);
    else cout << rand();
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #1
0.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 27 ms 23796 KB Output is correct
5 Correct 39 ms 20316 KB Output is correct
6 Correct 19 ms 22104 KB Output is correct
7 Correct 31 ms 23384 KB Output is correct
8 Correct 82 ms 24924 KB Output is correct
9 Correct 58 ms 20316 KB Output is correct
10 Correct 61 ms 20932 KB Output is correct
11 Correct 61 ms 20316 KB Output is correct
12 Correct 65 ms 24924 KB Output is correct
13 Correct 68 ms 24920 KB Output is correct
14 Correct 77 ms 24920 KB Output is correct
15 Correct 59 ms 24964 KB Output is correct
16 Correct 51 ms 24924 KB Output is correct
17 Correct 55 ms 24924 KB Output is correct
18 Correct 42 ms 24976 KB Output is correct
19 Correct 50 ms 24976 KB Output is correct
20 Correct 54 ms 22360 KB Output is correct

Subtask #3
0.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 460 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 0 ms 348 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #4
0.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #5
0.0 / 44.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 460 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 0 ms 348 KB Output isn't correct
10 Halted 0 ms 0 KB -