oj.uz

답안 #883211

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
883211 2023-12-04T19:26:05 Z MilosMilutinovic 유괴 2 (JOI17_abduction2) C++14
44 / 100
 5000 ms 17196 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int h, w, q;
  cin >> h >> w >> q;
  vector<int> a(h);
  for (int i = 0; i < h; i++) {
    cin >> a[i];
  }
  vector<int> b(w);
  for (int i = 0; i < w; i++) {
    cin >> b[i];
  }
  auto Go = [&](int x, int y, int dir) {
    if (dir == 0) {
      // up
      if (x == 0) {
        return make_pair(x, y);
      }
      x--;
      while (x > 0 && a[x] < b[y]) {
        x -= 1;
      }
      return make_pair(x, y);
    }
    if (dir == 1) {
      // down
      if (x == h - 1) {
        return make_pair(x, y);
      }
      x += 1;
      while (x + 1 < h && a[x] < b[y]) {
        x += 1;
      }
      return make_pair(x, y);
    }
    if (dir == 2) {
      // left
      if (y == 0) {
        return make_pair(x, y);
      }
      y -= 1;
      while (y > 0 && a[x] > b[y]) {
        y -= 1;
      }
      return make_pair(x, y);
    }
    if (dir == 3) {
      // right
      if (y == w - 1) {
        return make_pair(x, y);
      }
      y += 1;
      while (y + 1 < w && a[x] > b[y]) {
        y += 1;
      }
      return make_pair(x, y);
    }
    assert(false);
    return make_pair(-1, -1);
  };
  vector<map<pair<int, int>, bool>> was(4);
  vector<map<pair<int, int>, int>> dp(4);
  function<int(int, int, int)> Solve = [&](int x, int y, int dir) {
    if (dir == 0) {
      if (a[x] < b[y]) {
        return 0;
      }
    }
    if (dir == 1) {
      if (a[x] < b[y]) {
        return 0;
      }
    }
    if (dir == 2) {
      if (a[x] > b[y]) {
        return 0;
      }
    }
    if (dir == 3) {
      if (a[x] > b[y]) {
        return 0;
      }
    }
    pair<int, int> curr = {x, y};
    if (was[dir][curr]) {
      return dp[dir][curr];
    }
    was[dir][curr] = true;
    if (dir == 0 || dir == 1) {
      {
        pair<int, int> nxt = Go(x, y, 2);
        if (nxt.first != x || nxt.second != y) {
          dp[dir][curr] = max(dp[dir][curr], Solve(nxt.first, nxt.second, 2) + abs(nxt.first - x) + abs(nxt.second - y));
        }
      }
      {
        pair<int, int> nxt = Go(x, y, 3);
        if (nxt.first != x || nxt.second != y) {
          dp[dir][curr] = max(dp[dir][curr], Solve(nxt.first, nxt.second, 3) + abs(nxt.first - x) + abs(nxt.second - y));
        }
      }
    } 
    if (dir == 2 || dir == 3) {
      {
        pair<int, int> nxt = Go(x, y, 0);
        if (nxt.first != x || nxt.second != y) {
          dp[dir][curr] = max(dp[dir][curr], Solve(nxt.first, nxt.second, 0) + abs(nxt.first - x) + abs(nxt.second - y));
        }
      }
      {
        pair<int, int> nxt = Go(x, y, 1);
        if (nxt.first != x || nxt.second != y) {
          dp[dir][curr] = max(dp[dir][curr], Solve(nxt.first, nxt.second, 1) + abs(nxt.first - x) + abs(nxt.second - y));
        }
      }
    }
    return dp[dir][curr];
  };
  while (q--) {
    int x, y;
    cin >> x >> y;
    --x; --y;
    int res = 1;
    for (int dir = 0; dir < 4; dir++) {
      pair<int, int> cell = Go(x, y, dir);
      int nx = cell.first;
      int ny = cell.second;
      if (nx != x || ny != y) {
        res = max(res, Solve(nx, ny, dir) + abs(x - nx) + abs(y - ny));
      }
    }
    cout << res << '\n';
    for (int dir = 0; dir < 4; dir++) {
      was[dir].clear();
      dp[dir].clear();
    }
  }
  return 0;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 448 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 448 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 500 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 504 KB Output is correct
19 Correct 5 ms 728 KB Output is correct
20 Correct 7 ms 1012 KB Output is correct
21 Correct 6 ms 860 KB Output is correct
22 Correct 9 ms 1248 KB Output is correct

Subtask #3
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 448 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 500 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 504 KB Output is correct
19 Correct 5 ms 728 KB Output is correct
20 Correct 7 ms 1012 KB Output is correct
21 Correct 6 ms 860 KB Output is correct
22 Correct 9 ms 1248 KB Output is correct
23 Correct 9 ms 1628 KB Output is correct
24 Correct 11 ms 1832 KB Output is correct
25 Correct 8 ms 1752 KB Output is correct
26 Correct 10 ms 1624 KB Output is correct
27 Correct 9 ms 1628 KB Output is correct
28 Correct 427 ms 10972 KB Output is correct
29 Correct 87 ms 3008 KB Output is correct
30 Correct 1969 ms 13728 KB Output is correct
31 Correct 2406 ms 17196 KB Output is correct
32 Correct 145 ms 2388 KB Output is correct
33 Correct 845 ms 5556 KB Output is correct

Subtask #4
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 3 ms 508 KB Output is correct
6 Correct 76 ms 860 KB Output is correct
7 Correct 54 ms 860 KB Output is correct
8 Correct 307 ms 1432 KB Output is correct
9 Correct 342 ms 1308 KB Output is correct
10 Correct 351 ms 1360 KB Output is correct
11 Correct 487 ms 1708 KB Output is correct

Subtask #5
0 / 56.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 448 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 416 KB Output is correct
14 Correct 1 ms 500 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 504 KB Output is correct
19 Correct 5 ms 728 KB Output is correct
20 Correct 7 ms 1012 KB Output is correct
21 Correct 6 ms 860 KB Output is correct
22 Correct 9 ms 1248 KB Output is correct
23 Correct 9 ms 1628 KB Output is correct
24 Correct 11 ms 1832 KB Output is correct
25 Correct 8 ms 1752 KB Output is correct
26 Correct 10 ms 1624 KB Output is correct
27 Correct 9 ms 1628 KB Output is correct
28 Correct 427 ms 10972 KB Output is correct
29 Correct 87 ms 3008 KB Output is correct
30 Correct 1969 ms 13728 KB Output is correct
31 Correct 2406 ms 17196 KB Output is correct
32 Correct 145 ms 2388 KB Output is correct
33 Correct 845 ms 5556 KB Output is correct
34 Correct 4 ms 344 KB Output is correct
35 Correct 3 ms 344 KB Output is correct
36 Correct 4 ms 344 KB Output is correct
37 Correct 3 ms 344 KB Output is correct
38 Correct 3 ms 508 KB Output is correct
39 Correct 76 ms 860 KB Output is correct
40 Correct 54 ms 860 KB Output is correct
41 Correct 307 ms 1432 KB Output is correct
42 Correct 342 ms 1308 KB Output is correct
43 Correct 351 ms 1360 KB Output is correct
44 Correct 487 ms 1708 KB Output is correct
45 Correct 29 ms 1820 KB Output is correct
46 Correct 49 ms 1820 KB Output is correct
47 Correct 40 ms 1636 KB Output is correct
48 Correct 31 ms 1820 KB Output is correct
49 Correct 33 ms 1628 KB Output is correct
50 Execution timed out 5098 ms 14152 KB Time limit exceeded
51 Halted 0 ms 0 KB -