Submission #220274

# Submission time Handle Problem Language Result Execution time Memory
220274 2020-04-07T13:42:09 Z WLZ Stray Cat (JOI20_stray) C++14
15 / 100
87 ms 17012 KB
#include "Anthony.h"
#include <bits/stdc++.h>
using namespace std;

namespace {
  const vector<int> period = {0, 1, 0, 0, 1, 1};

  struct edge {
    int from, to, idx;
  };
  vector< vector<edge> > g;

  vector<int> solve1234(int N, int M, vector<int> U, vector<int> V) {
    queue<int> q;
    q.push(0);
    vector<int> dist(N, -1), ans(M, -1);
    dist[0] = 0;
    while (!q.empty()) {
      int u = q.front(); q.pop();
      for (auto& e : g[u]) {
        if (dist[e.to] == -1) {
          dist[e.to] = dist[u] + 1;
          q.push(e.to);
        }
      }
    }
    for (int i = 0; i < M; i++) {
      ans[i] = min(dist[U[i]], dist[V[i]]) % 3;
    }
    return ans;
  }

  vector<int> solve567(int N, int M, vector<int> U, vector<int> V) {
    vector<int> prev(N, 1), was(N, 0), len(N, 0), ans(M, -1);
    queue<int> q; q.push(0);
    was[0] = 1;
    while (!q.empty()) {
      int u = q.front(); q.pop();
      for (auto& e : g[u]) {
        if (!was[e.to]) {
          if ((int) g[u].size() == 2 || u == 0) {
            len[e.to] = len[u] + 1;
            ans[e.idx] = period[len[u] % 6];
          } else {
            ans[e.idx] = !prev[u];
          }
          q.push(e.to);
          was[e.to] = 1;
          prev[e.to] = ans[e.idx];
        }
      }
    }
    return ans;
  }
}

vector<int> Mark(int N, int M, int A, int B, vector<int> U, vector<int> V) {
  g.resize(N);
  for (int i = 0; i < M; i++) {
    g[U[i]].push_back({U[i], V[i], i});
    g[V[i]].push_back({V[i], U[i], i});
  }
  if (A >= 3) {
    return solve1234(N, M, U, V);
  } else {
    return solve567(N, M, U, V);
  }
}
#include "Catherine.h"
#include <bits/stdc++.h>
using namespace std;

namespace {
  const vector<int> period = {0, 1, 0, 0, 1, 1};
  vector<int> cur;

  int A, B, start = 1, rev = 0;
}

void Init(int A, int B) {
  ::A = A; ::B = B;
}

int Move(vector<int> y) {
  if (A >= 3) {
    for (int i = 0; i < 3; i++) {
      if (y[i] > 0 && y[(i + 1) % 3] > 0) {
        return i;
      }
    }
    for (int i = 0; i < 3; i++) {
      if (y[i] > 0) {
        return i;
      }
    }
  } else {
    if (y[0] > 1 && y[1] > 0) {
      start = 0;
      return 1;
    }
    if (y[0] > 1 && y[1] > 0) {
      start = 0;
      return 0;
    }
    if (y[0] == 0 && y[1] == 0) {
      start = 0;
      return -1;
    }
    if (start) {
      if (y[0] > 0 && y[1] > 0 && !cur.empty()) {
        start = 0;
        return !cur.back();
      }
      for (int i = 0; i < 2; i++) {
        if (y[i] > 0) {
          if (cur.empty()) {
            if (y[i] > 1) {
              cur.push_back(i);
            } else {
              cur.push_back(!i);
            }
          }
          cur.push_back(i);
          break;
        }
      }
      if ((int) cur.size() == 5) {
        start = 0;
        for (int i = 0; i < 6; i++) {
          int match = 1;
          for (int j = 0; j < 5; j++) {
            if (period[(i + j) % 6] != cur[j]) {
              match = 0;
              break;
            }
          }
          if (match) {
            rev = 1;
            cur.pop_back();
            cur.pop_back();
            break;
          }
        }
      }
      if (!rev) {
        return cur.back();
      }
    } else {
      if (y[0] > 0) {
        return 0;
      }
      return 1;
    }
  }
}

Compilation message

Catherine.cpp: In function 'int Move(std::vector<int>)':
Catherine.cpp:87:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
# Verdict Execution time Memory Grader output
1 Correct 59 ms 15884 KB Output is correct
2 Correct 9 ms 908 KB Output is correct
3 Correct 47 ms 15468 KB Output is correct
4 Correct 74 ms 16972 KB Output is correct
5 Correct 86 ms 17012 KB Output is correct
6 Correct 55 ms 15748 KB Output is correct
7 Correct 70 ms 15844 KB Output is correct
8 Correct 67 ms 16500 KB Output is correct
9 Correct 71 ms 16444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 59 ms 15884 KB Output is correct
2 Correct 9 ms 908 KB Output is correct
3 Correct 47 ms 15468 KB Output is correct
4 Correct 74 ms 16972 KB Output is correct
5 Correct 86 ms 17012 KB Output is correct
6 Correct 55 ms 15748 KB Output is correct
7 Correct 70 ms 15844 KB Output is correct
8 Correct 67 ms 16500 KB Output is correct
9 Correct 71 ms 16444 KB Output is correct
10 Correct 54 ms 13884 KB Output is correct
11 Correct 73 ms 13748 KB Output is correct
12 Correct 57 ms 13860 KB Output is correct
13 Correct 65 ms 13896 KB Output is correct
14 Correct 57 ms 14036 KB Output is correct
15 Correct 63 ms 14580 KB Output is correct
16 Correct 64 ms 16428 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 62 ms 13692 KB Output is correct
2 Correct 15 ms 772 KB Output is correct
3 Correct 52 ms 13180 KB Output is correct
4 Correct 81 ms 14720 KB Output is correct
5 Correct 69 ms 14700 KB Output is correct
6 Correct 87 ms 13412 KB Output is correct
7 Correct 66 ms 13436 KB Output is correct
8 Correct 70 ms 14212 KB Output is correct
9 Correct 71 ms 14268 KB Output is correct
10 Correct 74 ms 14000 KB Output is correct
11 Correct 76 ms 14020 KB Output is correct
12 Correct 68 ms 14012 KB Output is correct
13 Correct 60 ms 13940 KB Output is correct
14 Correct 76 ms 14268 KB Output is correct
15 Correct 72 ms 14116 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 62 ms 13692 KB Output is correct
2 Correct 15 ms 772 KB Output is correct
3 Correct 52 ms 13180 KB Output is correct
4 Correct 81 ms 14720 KB Output is correct
5 Correct 69 ms 14700 KB Output is correct
6 Correct 87 ms 13412 KB Output is correct
7 Correct 66 ms 13436 KB Output is correct
8 Correct 70 ms 14212 KB Output is correct
9 Correct 71 ms 14268 KB Output is correct
10 Correct 74 ms 14000 KB Output is correct
11 Correct 76 ms 14020 KB Output is correct
12 Correct 68 ms 14012 KB Output is correct
13 Correct 60 ms 13940 KB Output is correct
14 Correct 76 ms 14268 KB Output is correct
15 Correct 72 ms 14116 KB Output is correct
16 Correct 53 ms 11924 KB Output is correct
17 Correct 47 ms 11920 KB Output is correct
18 Correct 49 ms 12004 KB Output is correct
19 Correct 51 ms 12020 KB Output is correct
20 Correct 57 ms 12408 KB Output is correct
21 Correct 54 ms 12284 KB Output is correct
22 Correct 59 ms 14288 KB Output is correct
23 Correct 50 ms 12128 KB Output is correct
24 Correct 52 ms 12140 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 1120 KB Output is correct
2 Correct 5 ms 936 KB Output is correct
3 Correct 10 ms 1120 KB Output is correct
4 Correct 10 ms 1256 KB Output is correct
5 Correct 10 ms 1048 KB Output is correct
6 Correct 10 ms 1132 KB Output is correct
7 Correct 10 ms 1040 KB Output is correct
8 Correct 10 ms 1144 KB Output is correct
9 Correct 10 ms 1120 KB Output is correct
10 Correct 10 ms 1040 KB Output is correct
11 Correct 10 ms 1124 KB Output is correct
12 Incorrect 10 ms 1200 KB Wrong Answer [6]
13 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 47 ms 11780 KB Wrong Answer [6]
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 48 ms 11804 KB Wrong Answer [6]
2 Halted 0 ms 0 KB -