oj.uz

Submission #212938

# Submission time Handle Problem Language Result Execution time Memory
212938 2020-03-24T14:55:47 Z aboluo2003 Stray Cat (JOI20_stray) C++14
100 / 100
 92 ms 16400 KB 
#include <bits/stdc++.h>
#include "Anthony.h"
using namespace std;

namespace {


}  // namespace

std::vector<int> Mark(int N, int M, int A, int B, std::vector<int> U, std::vector<int> V) {
  vector<int> rt (M, 0);
  vector<vector<int>> G (N);
  for (int i = 0; i < M; i++) {
    G[U[i]].push_back(V[i]);
    G[V[i]].push_back(U[i]);
  }
  if (A >= 3) {
    vector<int> dep (N, -1);
    queue<int> Q;
    Q.push(0);
    dep[0] = 0;
    while (!Q.empty()) {
      int p = Q.front();
      Q.pop();
      for (auto e : G[p]) {
        if (dep[e] == -1) {
          dep[e] = dep[p] + 1;
          Q.push(e);
        }
      }
    }
    for (int i = 0; i < M; i++) {
      int x = U[i], y = V[i];
      if (dep[x] > dep[y]) {
        swap(x, y);
      }
      rt[i] = dep[x] % 3;
    }
  } else {
    vector<int> col (N, 0);
    vector<int> dep (N, 0);
    function<void(int, int, int)> dfs = [&] (int p, int fa, int cdis) {
      static char str[] = "110100";
      if (p) {
        cdis = (G[fa].size() == 2u) ? (cdis % 6 + 1) : (0);
        col[p] = (!cdis) ? (col[fa] ^ 1) : (str[cdis - 1] - '0');
        dep[p] = dep[fa] + 1;
      }
      for (auto e : G[p]) {
        if (e ^ fa) {
          dfs(e, p, cdis);
        }
      }
    };
    dfs(0, -1, 0);
    for (int i = 0; i < M; i++) {
      int x = U[i], y = V[i];
      if (dep[x] > dep[y]) {
        swap(x, y);
      }
      rt[i] = col[y];
//      cerr << x << " " << y << " " << rt[i] << '\n';
    }
  }
  return rt;
}

#include <bits/stdc++.h>
#include "Catherine.h"
using namespace std;

namespace {

  int A, B;
  
  bool has_dir;
  int last_col;
  vector<int> seq;

  bool match(const char* s) {
    int len = strlen(s);
    if (len > seq.size()) {
      return false;
    }
    int t = seq.size();
    while (len-- && t--) {
      if (s[len] - '0' != seq[t]) {
        return false;
      }
    }
    return true;
  }

}  // namespace

void Init(int A, int B) {
  ::A = A;
  ::B = B;
  has_dir = false;
  last_col = -1;
}

int Move(std::vector<int> y) {
  if (A >= 3) {
    const static int go[3] = {1, 2, 0};
    vector<int> id;
    for (int i = 0; i < A; i++) {
      if (y[i]) {
        id.push_back(i);
      }
    }
    int sz = id.size();
    assert(sz <= 2 && sz >= 1);
    if (sz == 1) {
      return id[0]; 
    } else {
      return go[3 ^ id[0] ^ id[1]];
    }
  } else {
    if (has_dir) {
      if (!y[0] + !y[1] == 1) {
        return last_col = !y[0];
      } else {
        return last_col = last_col ^ 1;
      }
    } else {
      int sum = last_col != -1;
      for (auto x : y) {
        sum += x;
      }
      if (sum > 2) {
        has_dir = true;
        if (last_col == -1) {
          return last_col = y[0] > y[1];
        } else {
          if (!y[last_col]) {
            return -1;
          } else {
            return last_col = last_col ^ 1;
          }
        }
      } else if (sum == 1) {
        has_dir = true;
        if (last_col == -1) {
          return last_col = !y[0];
        } else {
          return -1;
        }
      } else {
        if (last_col == -1) {
          if (y[0] == 2) {
            last_col = 0;
            seq = vector<int>{0, 0};
          } else if (y[1] == 2) {
            last_col = 1;
            seq = vector<int>{1, 1};
          } else {
            last_col = 1;
            seq = vector<int>{0, 1};
          }
          return last_col;
        } else {
          seq.push_back(!y[0]);
          int sz = seq.size();
          if (sz >= 4) {
            if (seq[sz - 2] == 1 && seq[sz - 3] == 0 && seq[sz - 4] == 1) {
              has_dir = true;
              if (seq[sz - 1] == 0) {
                return -1;
              }
            } else if (seq[sz - 1] == 1 && seq[sz - 2] == 0 && seq[sz - 3] == 1) {
              has_dir = true;
              if (seq[sz - 4] == 1) {
                return -1;
              }
            } else if (match("00110") || match("01001")) {
              has_dir = true;
              return -1;
            } 
          }
          return last_col = !y[0];
        }
      }
    }
  }
  return -1;
}

Compilation message

Catherine.cpp: In function 'bool {anonymous}::match(const char*)':
Catherine.cpp:15:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (len > seq.size()) {
         ~~~~^~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 15096 KB Output is correct
2 Correct 10 ms 900 KB Output is correct
3 Correct 56 ms 14568 KB Output is correct
4 Correct 78 ms 16388 KB Output is correct
5 Correct 83 ms 16400 KB Output is correct
6 Correct 57 ms 15196 KB Output is correct
7 Correct 68 ms 15288 KB Output is correct
8 Correct 75 ms 16020 KB Output is correct
9 Correct 75 ms 15952 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 15096 KB Output is correct
2 Correct 10 ms 900 KB Output is correct
3 Correct 56 ms 14568 KB Output is correct
4 Correct 78 ms 16388 KB Output is correct
5 Correct 83 ms 16400 KB Output is correct
6 Correct 57 ms 15196 KB Output is correct
7 Correct 68 ms 15288 KB Output is correct
8 Correct 75 ms 16020 KB Output is correct
9 Correct 75 ms 15952 KB Output is correct
10 Correct 54 ms 13244 KB Output is correct
11 Correct 55 ms 13284 KB Output is correct
12 Correct 57 ms 13172 KB Output is correct
13 Correct 52 ms 13276 KB Output is correct
14 Correct 58 ms 13324 KB Output is correct
15 Correct 74 ms 13660 KB Output is correct
16 Correct 78 ms 16116 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 12796 KB Output is correct
2 Correct 9 ms 780 KB Output is correct
3 Correct 66 ms 12404 KB Output is correct
4 Correct 71 ms 14196 KB Output is correct
5 Correct 88 ms 14200 KB Output is correct
6 Correct 61 ms 12984 KB Output is correct
7 Correct 64 ms 13172 KB Output is correct
8 Correct 73 ms 13752 KB Output is correct
9 Correct 76 ms 13788 KB Output is correct
10 Correct 64 ms 13544 KB Output is correct
11 Correct 63 ms 13520 KB Output is correct
12 Correct 63 ms 13416 KB Output is correct
13 Correct 64 ms 13520 KB Output is correct
14 Correct 68 ms 13908 KB Output is correct
15 Correct 74 ms 13672 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 12796 KB Output is correct
2 Correct 9 ms 780 KB Output is correct
3 Correct 66 ms 12404 KB Output is correct
4 Correct 71 ms 14196 KB Output is correct
5 Correct 88 ms 14200 KB Output is correct
6 Correct 61 ms 12984 KB Output is correct
7 Correct 64 ms 13172 KB Output is correct
8 Correct 73 ms 13752 KB Output is correct
9 Correct 76 ms 13788 KB Output is correct
10 Correct 64 ms 13544 KB Output is correct
11 Correct 63 ms 13520 KB Output is correct
12 Correct 63 ms 13416 KB Output is correct
13 Correct 64 ms 13520 KB Output is correct
14 Correct 68 ms 13908 KB Output is correct
15 Correct 74 ms 13672 KB Output is correct
16 Correct 50 ms 11448 KB Output is correct
17 Correct 63 ms 11356 KB Output is correct
18 Correct 59 ms 11364 KB Output is correct
19 Correct 64 ms 11460 KB Output is correct
20 Correct 64 ms 11984 KB Output is correct
21 Correct 55 ms 11620 KB Output is correct
22 Correct 67 ms 13988 KB Output is correct
23 Correct 57 ms 11364 KB Output is correct
24 Correct 64 ms 11356 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1100 KB Output is correct
2 Correct 10 ms 908 KB Output is correct
3 Correct 10 ms 1128 KB Output is correct
4 Correct 11 ms 1036 KB Output is correct
5 Correct 10 ms 1044 KB Output is correct
6 Correct 10 ms 1036 KB Output is correct
7 Correct 10 ms 1084 KB Output is correct
8 Correct 10 ms 1040 KB Output is correct
9 Correct 10 ms 1024 KB Output is correct
10 Correct 12 ms 1128 KB Output is correct
11 Correct 10 ms 1048 KB Output is correct
12 Correct 11 ms 1080 KB Output is correct
13 Correct 10 ms 1084 KB Output is correct
14 Correct 10 ms 1096 KB Output is correct
15 Correct 12 ms 1176 KB Output is correct
16 Correct 11 ms 1096 KB Output is correct
17 Correct 10 ms 1060 KB Output is correct
18 Correct 11 ms 1128 KB Output is correct
19 Correct 11 ms 1104 KB Output is correct
20 Correct 13 ms 1040 KB Output is correct
21 Correct 10 ms 1168 KB Output is correct
22 Correct 11 ms 1168 KB Output is correct
23 Correct 10 ms 1228 KB Output is correct
24 Correct 11 ms 1176 KB Output is correct
25 Correct 10 ms 1040 KB Output is correct
26 Correct 11 ms 1048 KB Output is correct
27 Correct 10 ms 1048 KB Output is correct
28 Correct 11 ms 1040 KB Output is correct

Subtask #6
71.0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 10928 KB Output is correct
2 Correct 60 ms 12436 KB Output is correct
3 Correct 9 ms 792 KB Output is correct
4 Correct 55 ms 10824 KB Output is correct
5 Correct 70 ms 14068 KB Output is correct
6 Correct 68 ms 14132 KB Output is correct
7 Correct 68 ms 13232 KB Output is correct
8 Correct 57 ms 13504 KB Output is correct
9 Correct 68 ms 14312 KB Output is correct
10 Correct 65 ms 14432 KB Output is correct
11 Correct 80 ms 14440 KB Output is correct
12 Correct 72 ms 14448 KB Output is correct
13 Correct 66 ms 14376 KB Output is correct
14 Correct 88 ms 14264 KB Output is correct
15 Correct 88 ms 14312 KB Output is correct
16 Correct 68 ms 14304 KB Output is correct
17 Correct 75 ms 14056 KB Output is correct
18 Correct 67 ms 13928 KB Output is correct
19 Correct 62 ms 14048 KB Output is correct
20 Correct 72 ms 14056 KB Output is correct
21 Correct 66 ms 13928 KB Output is correct
22 Correct 71 ms 14024 KB Output is correct
23 Correct 56 ms 11240 KB Output is correct
24 Correct 63 ms 11216 KB Output is correct
25 Correct 55 ms 11752 KB Output is correct
26 Correct 57 ms 11872 KB Output is correct
27 Correct 59 ms 12640 KB Output is correct
28 Correct 64 ms 12776 KB Output is correct
29 Correct 65 ms 12780 KB Output is correct
30 Correct 78 ms 12776 KB Output is correct
31 Correct 60 ms 11240 KB Output is correct
32 Correct 50 ms 11112 KB Output is correct
33 Correct 53 ms 11624 KB Output is correct
34 Correct 77 ms 11880 KB Output is correct
35 Correct 67 ms 12508 KB Output is correct
36 Correct 63 ms 12528 KB Output is correct
37 Correct 68 ms 12520 KB Output is correct
38 Correct 66 ms 12528 KB Output is correct
39 Correct 65 ms 12516 KB Output is correct
40 Correct 60 ms 12536 KB Output is correct
41 Correct 64 ms 13348 KB Output is correct
42 Correct 80 ms 13252 KB Output is correct
43 Correct 87 ms 13288 KB Output is correct
44 Correct 74 ms 13396 KB Output is correct
45 Correct 69 ms 13288 KB Output is correct
46 Correct 66 ms 13520 KB Output is correct
47 Correct 60 ms 12384 KB Output is correct
48 Correct 62 ms 12264 KB Output is correct
49 Correct 59 ms 12204 KB Output is correct
50 Correct 68 ms 12284 KB Output is correct
51 Correct 61 ms 11524 KB Output is correct
52 Correct 60 ms 11488 KB Output is correct
53 Correct 52 ms 11632 KB Output is correct
54 Correct 51 ms 11520 KB Output is correct
55 Correct 51 ms 11756 KB Output is correct
56 Correct 64 ms 11584 KB Output is correct
57 Correct 52 ms 11240 KB Output is correct
58 Correct 55 ms 11248 KB Output is correct
59 Correct 65 ms 11504 KB Output is correct
60 Correct 64 ms 11360 KB Output is correct

Subtask #7
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 11004 KB Output is correct
2 Correct 53 ms 12276 KB Output is correct
3 Correct 9 ms 1016 KB Output is correct
4 Correct 51 ms 10940 KB Output is correct
5 Correct 64 ms 14076 KB Output is correct
6 Correct 63 ms 14220 KB Output is correct
7 Correct 60 ms 13268 KB Output is correct
8 Correct 64 ms 13416 KB Output is correct
9 Correct 80 ms 14340 KB Output is correct
10 Correct 71 ms 14380 KB Output is correct
11 Correct 77 ms 14356 KB Output is correct
12 Correct 67 ms 14384 KB Output is correct
13 Correct 80 ms 14452 KB Output is correct
14 Correct 73 ms 14296 KB Output is correct
15 Correct 78 ms 14300 KB Output is correct
16 Correct 73 ms 14312 KB Output is correct
17 Correct 65 ms 14064 KB Output is correct
18 Correct 62 ms 14064 KB Output is correct
19 Correct 64 ms 14088 KB Output is correct
20 Correct 80 ms 14152 KB Output is correct
21 Correct 73 ms 14100 KB Output is correct
22 Correct 73 ms 13928 KB Output is correct
23 Correct 59 ms 11232 KB Output is correct
24 Correct 51 ms 11240 KB Output is correct
25 Correct 63 ms 11752 KB Output is correct
26 Correct 52 ms 11868 KB Output is correct
27 Correct 55 ms 12648 KB Output is correct
28 Correct 67 ms 12640 KB Output is correct
29 Correct 62 ms 12756 KB Output is correct
30 Correct 67 ms 12768 KB Output is correct
31 Correct 49 ms 11340 KB Output is correct
32 Correct 55 ms 11136 KB Output is correct
33 Correct 64 ms 11840 KB Output is correct
34 Correct 62 ms 11880 KB Output is correct
35 Correct 59 ms 12656 KB Output is correct
36 Correct 62 ms 12520 KB Output is correct
37 Correct 56 ms 12568 KB Output is correct
38 Correct 84 ms 12512 KB Output is correct
39 Correct 68 ms 12512 KB Output is correct
40 Correct 79 ms 12520 KB Output is correct
41 Correct 80 ms 13356 KB Output is correct
42 Correct 92 ms 13352 KB Output is correct
43 Correct 66 ms 13364 KB Output is correct
44 Correct 68 ms 13280 KB Output is correct
45 Correct 70 ms 13288 KB Output is correct
46 Correct 78 ms 13348 KB Output is correct
47 Correct 74 ms 12344 KB Output is correct
48 Correct 67 ms 12432 KB Output is correct
49 Correct 64 ms 12292 KB Output is correct
50 Correct 66 ms 12456 KB Output is correct
51 Correct 56 ms 11500 KB Output is correct
52 Correct 51 ms 11384 KB Output is correct
53 Correct 54 ms 11632 KB Output is correct
54 Correct 69 ms 11520 KB Output is correct
55 Correct 56 ms 11624 KB Output is correct
56 Correct 53 ms 11496 KB Output is correct
57 Correct 73 ms 11248 KB Output is correct
58 Correct 56 ms 11240 KB Output is correct
59 Correct 64 ms 11480 KB Output is correct
60 Correct 62 ms 11504 KB Output is correct