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Submission #974825

# Submission time Handle Problem Language Result Execution time Memory
974825 2024-05-03T20:23:24 Z MilosMilutinovic Cop and Robber (BOI14_coprobber) C++14
100 / 100
 267 ms 14640 KB 
#include "coprobber.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 505;

int cur;
bool dp[N][N][2];
vector<int> g[N];
int deg[N][N][2];
int to[N][N];

int start(int n, bool A[MAX_N][MAX_N]) { 
  for (int i = 0; i < n; i++) {
    for (int j = i + 1; j < n; j++) {
      if (!A[i][j]) {
        continue;
      }
      g[i].push_back(j);
      g[j].push_back(i);
    }
  }
  vector<array<int, 3>> que;
  for (int i = 0; i < n; i++) {
    dp[i][i][0] = true;
    dp[i][i][1] = true;
    que.push_back({i, i, 0});
    que.push_back({i, i, 1});
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      deg[i][j][1] = (int) g[j].size();
    }
  }
  for (int b = 0; b < (int) que.size(); b++) {
    int i = que[b][0];
    int j = que[b][1];
    int t = que[b][2];
    if (t == 0) {
      for (int k : g[j]) {
        deg[i][k][1]--;
        if (deg[i][k][1] <= 0 && !dp[i][k][1]) {
          dp[i][k][1] = true;
          que.push_back({i, k, 1});
        }
      }
    } else {
      for (int k : g[i]) {
        if (!dp[k][j][0]) {
          dp[k][j][0] = true;
          to[k][j] = i;
          que.push_back({k, j, 0});
        }
      }
      if (!dp[i][j][0]) {
        dp[i][j][0] = true;
        to[i][j] = i;
        que.push_back({i, j, 0});
      }
    }
  }
  cur = -1;
  for (int i = 0; i < n; i++) {
    bool ok = true;
    for (int j = 0; j < n; j++) {
      if (!dp[i][j][0]) {
        ok = false;
      }
    }
    if (ok) {
      cur = i;
      break;
    }
  }
  return cur;
}

int nextMove(int r) {
  cur = to[cur][r];
  return cur;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 51 ms 13404 KB Output is correct
5 Correct 11 ms 6516 KB Output is correct
6 Correct 42 ms 12136 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 37 ms 12488 KB Output is correct
4 Correct 41 ms 12364 KB Output is correct
5 Correct 47 ms 12428 KB Output is correct
6 Correct 40 ms 13420 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4692 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4692 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 2 ms 4696 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 2 ms 4696 KB Output is correct
14 Correct 2 ms 4952 KB Output is correct
15 Correct 1 ms 4696 KB Output is correct
16 Correct 1 ms 4696 KB Output is correct
17 Correct 5 ms 5140 KB Output is correct
18 Correct 2 ms 4696 KB Output is correct
19 Correct 1 ms 4440 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 51 ms 13404 KB Output is correct
5 Correct 11 ms 6516 KB Output is correct
6 Correct 42 ms 12136 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 37 ms 12488 KB Output is correct
10 Correct 41 ms 12364 KB Output is correct
11 Correct 47 ms 12428 KB Output is correct
12 Correct 40 ms 13420 KB Output is correct
13 Correct 1 ms 4692 KB Output is correct
14 Correct 1 ms 4440 KB Output is correct
15 Correct 1 ms 4692 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 1 ms 4440 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 2 ms 4696 KB Output is correct
23 Correct 2 ms 4952 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 2 ms 4696 KB Output is correct
26 Correct 2 ms 4952 KB Output is correct
27 Correct 1 ms 4696 KB Output is correct
28 Correct 1 ms 4696 KB Output is correct
29 Correct 5 ms 5140 KB Output is correct
30 Correct 2 ms 4696 KB Output is correct
31 Correct 1 ms 4440 KB Output is correct
32 Correct 1 ms 4440 KB Output is correct
33 Correct 1 ms 4440 KB Output is correct
34 Correct 1 ms 4592 KB Output is correct
35 Correct 50 ms 11672 KB Output is correct
36 Correct 13 ms 6316 KB Output is correct
37 Correct 58 ms 12528 KB Output is correct
38 Correct 1 ms 4440 KB Output is correct
39 Correct 3 ms 4440 KB Output is correct
40 Correct 40 ms 11884 KB Output is correct
41 Correct 44 ms 12480 KB Output is correct
42 Correct 37 ms 12656 KB Output is correct
43 Correct 40 ms 13216 KB Output is correct
44 Correct 1 ms 4440 KB Output is correct
45 Correct 1 ms 4440 KB Output is correct
46 Correct 1 ms 4440 KB Output is correct
47 Correct 1 ms 4440 KB Output is correct
48 Correct 2 ms 4696 KB Output is correct
49 Correct 2 ms 4952 KB Output is correct
50 Correct 1 ms 4436 KB Output is correct
51 Correct 1 ms 4696 KB Output is correct
52 Correct 2 ms 4952 KB Output is correct
53 Correct 1 ms 4696 KB Output is correct
54 Correct 2 ms 4696 KB Output is correct
55 Correct 4 ms 5144 KB Output is correct
56 Correct 1 ms 4696 KB Output is correct
57 Correct 4 ms 4884 KB Output is correct
58 Correct 11 ms 5240 KB Output is correct
59 Correct 16 ms 4976 KB Output is correct
60 Correct 267 ms 13592 KB Output is correct
61 Correct 31 ms 7160 KB Output is correct
62 Correct 31 ms 7008 KB Output is correct
63 Correct 186 ms 13696 KB Output is correct
64 Correct 29 ms 6664 KB Output is correct
65 Correct 211 ms 14640 KB Output is correct
66 Correct 46 ms 12396 KB Output is correct
67 Correct 115 ms 12384 KB Output is correct
68 Correct 41 ms 8200 KB Output is correct
69 Correct 1 ms 4440 KB Output is correct