oj.uz

Submission #220364

# Submission time Handle Problem Language Result Execution time Memory
220364 2020-04-07T18:34:12 Z WLZ Stray Cat (JOI20_stray) C++14
15 / 100
 83 ms 17356 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();
      if ((int) g[u].size() > 2) {
        if (prev[u] == 0) {
          len[u] = 1;
        }
      }
      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, last;
}

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 (rev) {
      int tmp = cur.back();
      cur.pop_back();
      if (cur.empty()) {
        rev = 0;
      }
      return (last = tmp);
    }
    if (y[0] > 1 && y[1] > 0) {
      start = 0;
      return (last = 1);
    }
    if (y[0] > 1 && y[1] > 0) {
      start = 0;
      return (last = 0);
    }
    if (y[0] == 0 && y[1] == 0) {
      start = 0;
      return (last = -1);
    }
    if (start) {
      if (y[0] > 0 && y[1] > 0 && !cur.empty()) {
        start = 0;
        return (last = !cur.back());
      }
      if (cur.empty()) {
        if (y[0] == 1 && y[1] == 0) {
          start = 0;
          return 0;
        }
        if (y[1] == 1 && y[0] == 0) {
          start = 0;
          return 1;
        }
      }
      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 (auto& x : cur) {
          cout << x << ' ';
        }
        cout << endl;
        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();
            return -1;
          }
        }
      }
      if (!rev) {
        return (last = cur.back());
      }
    } else {
      if (y[0] == 1 && y[1] == 1) {
        last = !last;
        return last;
      }
      if (y[0] > 0) {
        return (last = 0);
      }
      return (last = 1);
    }
  }
}

Compilation message

Catherine.cpp: In function 'int Move(std::vector<int>)':
Catherine.cpp:113:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 16368 KB Output is correct
2 Correct 9 ms 1012 KB Output is correct
3 Correct 47 ms 15716 KB Output is correct
4 Correct 83 ms 17324 KB Output is correct
5 Correct 74 ms 17356 KB Output is correct
6 Correct 60 ms 16080 KB Output is correct
7 Correct 55 ms 16080 KB Output is correct
8 Correct 81 ms 16844 KB Output is correct
9 Correct 74 ms 16852 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 16368 KB Output is correct
2 Correct 9 ms 1012 KB Output is correct
3 Correct 47 ms 15716 KB Output is correct
4 Correct 83 ms 17324 KB Output is correct
5 Correct 74 ms 17356 KB Output is correct
6 Correct 60 ms 16080 KB Output is correct
7 Correct 55 ms 16080 KB Output is correct
8 Correct 81 ms 16844 KB Output is correct
9 Correct 74 ms 16852 KB Output is correct
10 Correct 63 ms 14212 KB Output is correct
11 Correct 63 ms 14392 KB Output is correct
12 Correct 55 ms 14180 KB Output is correct
13 Correct 51 ms 14176 KB Output is correct
14 Correct 53 ms 14412 KB Output is correct
15 Correct 57 ms 14668 KB Output is correct
16 Correct 68 ms 16960 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 14072 KB Output is correct
2 Correct 9 ms 780 KB Output is correct
3 Correct 46 ms 13452 KB Output is correct
4 Correct 64 ms 15180 KB Output is correct
5 Correct 63 ms 15292 KB Output is correct
6 Correct 54 ms 13960 KB Output is correct
7 Correct 56 ms 14072 KB Output is correct
8 Correct 60 ms 14788 KB Output is correct
9 Correct 59 ms 14632 KB Output is correct
10 Correct 55 ms 14536 KB Output is correct
11 Correct 55 ms 14524 KB Output is correct
12 Correct 55 ms 14536 KB Output is correct
13 Correct 56 ms 14536 KB Output is correct
14 Correct 61 ms 14768 KB Output is correct
15 Correct 59 ms 14780 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 14072 KB Output is correct
2 Correct 9 ms 780 KB Output is correct
3 Correct 46 ms 13452 KB Output is correct
4 Correct 64 ms 15180 KB Output is correct
5 Correct 63 ms 15292 KB Output is correct
6 Correct 54 ms 13960 KB Output is correct
7 Correct 56 ms 14072 KB Output is correct
8 Correct 60 ms 14788 KB Output is correct
9 Correct 59 ms 14632 KB Output is correct
10 Correct 55 ms 14536 KB Output is correct
11 Correct 55 ms 14524 KB Output is correct
12 Correct 55 ms 14536 KB Output is correct
13 Correct 56 ms 14536 KB Output is correct
14 Correct 61 ms 14768 KB Output is correct
15 Correct 59 ms 14780 KB Output is correct
16 Correct 46 ms 12408 KB Output is correct
17 Correct 47 ms 12436 KB Output is correct
18 Correct 48 ms 12260 KB Output is correct
19 Correct 52 ms 12500 KB Output is correct
20 Correct 59 ms 12916 KB Output is correct
21 Correct 52 ms 12656 KB Output is correct
22 Correct 56 ms 14788 KB Output is correct
23 Correct 56 ms 12488 KB Output is correct
24 Correct 53 ms 12404 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1108 KB Output is correct
2 Correct 9 ms 792 KB Output is correct
3 Correct 10 ms 1120 KB Output is correct
4 Correct 11 ms 1296 KB Output is correct
5 Correct 11 ms 1112 KB Output is correct
6 Correct 10 ms 1124 KB Output is correct
7 Correct 10 ms 1124 KB Output is correct
8 Incorrect 10 ms 1124 KB Your program terminated abnormally, or printed anything to standard output.
9 Halted 0 ms 0 KB -

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 12340 KB Output is correct
2 Correct 57 ms 12832 KB Output is correct
3 Correct 9 ms 784 KB Output is correct
4 Correct 44 ms 12132 KB Output is correct
5 Correct 62 ms 13352 KB Output is correct
6 Incorrect 67 ms 13472 KB Your program terminated abnormally, or printed anything to standard output.
7 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 49 ms 12348 KB Wrong Answer [6]
2 Halted 0 ms 0 KB -