oj.uz

Submission #955445

# Submission time Handle Problem Language Result Execution time Memory
955445 2024-03-30T12:57:06 Z abczz Stray Cat (JOI20_stray) C++14
15 / 100
 39 ms 17020 KB 
#include "Anthony.h"
#include <iostream>
#include <vector>
#include <queue>
#include <array>
#define ll long long
using namespace std;

namespace {
  queue <array<ll, 2>> Q;
  bool visited[20000], heavy[20000];
  vector <int> E;
  vector <array<ll, 2>> adj[20000];

  void AmodeA() {
    Q.push({0, 0});
    while (!Q.empty()) {
      auto [u, w] = Q.front();
      Q.pop();
      for (auto [v, x] : adj[u]) {
        if (E[x] == -1) E[x] = w;
        if (!visited[v]) {
          visited[v] = 1;
          Q.push({v, (w+1) % 3});
        }
      }
    }
  }

  void dfs(ll u, ll p) {
    ll chd_cnt = 0;
    for (auto [v, x] : adj[u]) {
      if (v != p) {
        ++chd_cnt;
        dfs(v, u);
      }
    }
    if (chd_cnt != 1 || p == -1) heavy[u] = 1;
  }

  void solve(ll u, ll p, ll w, ll z) {
    for (auto [v, x] : adj[u]) {
      if (v != p) {
        if (heavy[u] && heavy[v]) {
          E[x] = w^1;
          solve(v, u, E[x], 0);
        }
        else if (heavy[u] && !heavy[v]) {
          E[x] = w^1;
          solve(v, u, E[x], 1);
        }
        else {
          if (z == 2 || z == 4 || z == 5) E[x] = w;
          else E[x] = w^1;
          solve(v, u, E[x], (z+1) % 6);
        }
      }
    }
  }

  void AmodeB() {
    dfs(0, -1);
    solve(0, -1, 1, 0);
  }
}

std::vector<int> Mark(int N, int M, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
  E.resize(M);
  for (int i=0; i<M; ++i) {
    E[i] = -1;
    adj[U[i]].push_back({V[i], i});
    adj[V[i]].push_back({U[i], i});
  }
  if (!B) AmodeA();
  else AmodeB();
  return E;
}
#include "Catherine.h"
#include <iostream>
#include <vector>
#define ll long long
using namespace std;

namespace {
  bool mode;
  vector <ll> V;
  ll p = -1, dir = -1, x = 0, rev = 0, l = 1e18, r = 1e18, lazy;
  bool isinitSame;

  int CmodeA(vector <int> y) {
    ll cnt = 0, id;
    for (int i=0; i<3; ++i) {
      if (y[i] > 0) {
        ++cnt;
        id = i;
      }
    }
    if (cnt == 1) return id;
    if (y[0] && y[1]) return 0;
    else if (y[0] && y[2]) return 2;
    else return 1;
  }

  int CmodeB(vector <int> y) {
    if (dir == 1e18) {
      if (!y[0]) return p = 1;
      else if (!y[1]) return p = 0;
      p ^= 1;
      return p;
    }
    else if (dir == -1) {
      if (!y[0] && y[1] == 1) {
        dir = 1e18;
        return p = 1;
      }
      else if (y[0] == 1 && !y[1]) {
        dir = 1e18;
        return p = 0;
      }
      if (y[0] == 1 && y[1] > 1) {
        dir = 1e18;
        return p = 0;
      }
      else if (y[0] > 1 && y[1] == 1) {
        dir = 1e18;
        return p = 1;
      }
      dir = 0;
      if (!y[0] || !y[1]) {
        isinitSame = 1;
        if (y[0]) return p = 0;
        else return p = 1;
      }
      else {
        x = 1;
        return p = 0;
      }
    }
    if (!y[0] && !y[1]) {
      dir = 1e18;
      return -1;
    }
    else if (min(y[0], y[1]) == 0 && max(y[0], y[1]) > 1) {
      dir = 1e18;
      return -1;
    }
    else if (min(y[0], y[1]) >= 1) {
      dir = 1e18;
      p ^= 1;
      return p;
    }
    if (!isinitSame) {
      if (rev) {
        --rev;
        if (y[0]) return p = 0;
        else return p = 1;
      }
      else if (l == 1e18) {
        if (y[0]) {
          if (x == 2) {
            l = 3;
            rev = 1, x = 0;
            return -1;
          }
          else {
            ++x;
            return p = 0;
          }
        }
        else {
          l = x;
          rev = 1, x = 0;
          return -1;
        }
      }
      else if (r == 1e18) {
        if (y[1]) {
          ++x;
          if (x == 1) return p = 1;
          else if (x == 2) {
            if (l >= 2) {
              r = 2;
              return -1;
            }
            else {
              ++x;
              return p = -1;
            }
          }
          else {
            r = 3;
            rev = 1;
            return -1;
          }
        }
        else {
          r = x;
          if (x == 2) rev = 1;
          return -1;
        }
      }
      else {
        if (l == r) ++r;
        if ((l == 1 && r == 2) || (l == 2 && r == 3) || (l == 3 && r == 1)) {
          dir = 1e18;
          p = 0;
          if (y[0]) return 0;
          else return -1;
        }
        else {
          dir = 1e18;
          p = 1;
          if (y[1]) return 1;
          else return -1;
        }
      }
    }
    else {
      if (rev) {
        --rev;
        if (y[0]) return p = 0;
        else return p = 1;
      }
      else if (dir == 0) {
        if ((y[0] && !p) || (y[1] && p)) {
          dir = 1;
          return p;
        }
        else {
          dir = 2;
          if (y[0]) return p = 0;
          else return p = 1;
        }
      }
      else if (dir == 1) {
        if (V.size() == 2) {
          if (V[0] == V[1]) {
            dir = 1e18;
            if (y[0]) return p = 0;
            else return p = 1;
          }
          else {
            dir = -2;
            rev = 2;
            return -1;
          }
        }
        if (y[0]) {
          V.push_back(0);
          return p = 0;
        }
        else {
          V.push_back(1);
          return p = 1;
        }
      }
      else if (dir == 2) {
        if ((y[0] && !p) || (y[1] && p)) {
          dir = 3;
          return p;
        }
        else {
          dir = 4;
          rev = 1;
          return -1;
        }
      }
      else if (dir == 3) {
        if ((y[0] && !p) || (y[1] && p)) {
          dir = -2;
          rev = 2;
          return -1;
        }
        else {
          dir = 1e18;
          if (y[0]) return p = 0;
          else return p = 1;
        }
      }
      else if (dir == 4) {
        dir = 5;
        if (y[0]) return p = 0;
        else return p = 1;
      }
      else if (dir == 5) {
        if ((y[0] && !p) || (y[1] && p)) {
          dir = -2;
          return -1;
        }
        else {
          dir = 1e18;
          if (y[0]) return p = 0;
          else return p = 1;
        }
      }
      else if (dir == -2) {
        dir = 1e18;
        if (y[0]) return p = 0;
        else return p = 1;
      }
    }
    return -2;
  }
}

void Init(int A, int B) {
  if (!B) mode = 0;
  else mode = 1;
}

int Move(std::vector<int> y) {
  if (!mode) return CmodeA(y);
  else return CmodeB(y);
}

Compilation message

Anthony.cpp: In function 'void {anonymous}::AmodeA()':
Anthony.cpp:18:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   18 |       auto [u, w] = Q.front();
      |            ^
Anthony.cpp:20:17: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   20 |       for (auto [v, x] : adj[u]) {
      |                 ^
Anthony.cpp: In function 'void {anonymous}::dfs(long long int, long long int)':
Anthony.cpp:32:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   32 |     for (auto [v, x] : adj[u]) {
      |               ^
Anthony.cpp: In function 'void {anonymous}::solve(long long int, long long int, long long int, long long int)':
Anthony.cpp:42:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   42 |     for (auto [v, x] : adj[u]) {
      |               ^

Catherine.cpp:10:60: warning: '{anonymous}::lazy' defined but not used [-Wunused-variable]
   10 |   ll p = -1, dir = -1, x = 0, rev = 0, l = 1e18, r = 1e18, lazy;
      |                                                            ^~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 15992 KB Output is correct
2 Correct 1 ms 1712 KB Output is correct
3 Correct 25 ms 15496 KB Output is correct
4 Correct 35 ms 17020 KB Output is correct
5 Correct 37 ms 16956 KB Output is correct
6 Correct 28 ms 15740 KB Output is correct
7 Correct 28 ms 15748 KB Output is correct
8 Correct 34 ms 16416 KB Output is correct
9 Correct 33 ms 16496 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 15992 KB Output is correct
2 Correct 1 ms 1712 KB Output is correct
3 Correct 25 ms 15496 KB Output is correct
4 Correct 35 ms 17020 KB Output is correct
5 Correct 37 ms 16956 KB Output is correct
6 Correct 28 ms 15740 KB Output is correct
7 Correct 28 ms 15748 KB Output is correct
8 Correct 34 ms 16416 KB Output is correct
9 Correct 33 ms 16496 KB Output is correct
10 Correct 27 ms 13852 KB Output is correct
11 Correct 27 ms 13936 KB Output is correct
12 Correct 25 ms 13940 KB Output is correct
13 Correct 28 ms 13612 KB Output is correct
14 Correct 27 ms 14604 KB Output is correct
15 Correct 31 ms 14444 KB Output is correct
16 Correct 33 ms 16500 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 13428 KB Output is correct
2 Correct 1 ms 1292 KB Output is correct
3 Correct 23 ms 13108 KB Output is correct
4 Correct 34 ms 14960 KB Output is correct
5 Correct 34 ms 14788 KB Output is correct
6 Correct 28 ms 13432 KB Output is correct
7 Correct 26 ms 13380 KB Output is correct
8 Correct 32 ms 14204 KB Output is correct
9 Correct 31 ms 14200 KB Output is correct
10 Correct 30 ms 13948 KB Output is correct
11 Correct 30 ms 13944 KB Output is correct
12 Correct 39 ms 14048 KB Output is correct
13 Correct 38 ms 14024 KB Output is correct
14 Correct 31 ms 14256 KB Output is correct
15 Correct 33 ms 14196 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 13428 KB Output is correct
2 Correct 1 ms 1292 KB Output is correct
3 Correct 23 ms 13108 KB Output is correct
4 Correct 34 ms 14960 KB Output is correct
5 Correct 34 ms 14788 KB Output is correct
6 Correct 28 ms 13432 KB Output is correct
7 Correct 26 ms 13380 KB Output is correct
8 Correct 32 ms 14204 KB Output is correct
9 Correct 31 ms 14200 KB Output is correct
10 Correct 30 ms 13948 KB Output is correct
11 Correct 30 ms 13944 KB Output is correct
12 Correct 39 ms 14048 KB Output is correct
13 Correct 38 ms 14024 KB Output is correct
14 Correct 31 ms 14256 KB Output is correct
15 Correct 33 ms 14196 KB Output is correct
16 Correct 23 ms 11896 KB Output is correct
17 Correct 24 ms 11884 KB Output is correct
18 Correct 26 ms 12088 KB Output is correct
19 Correct 27 ms 12096 KB Output is correct
20 Correct 28 ms 12664 KB Output is correct
21 Correct 27 ms 12396 KB Output is correct
22 Correct 30 ms 14460 KB Output is correct
23 Correct 34 ms 11968 KB Output is correct
24 Correct 26 ms 12140 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1560 KB Output is correct
2 Correct 1 ms 1308 KB Output is correct
3 Correct 2 ms 1560 KB Output is correct
4 Correct 2 ms 1572 KB Output is correct
5 Correct 2 ms 1564 KB Output is correct
6 Correct 2 ms 2068 KB Output is correct
7 Correct 2 ms 1572 KB Output is correct
8 Correct 2 ms 1564 KB Output is correct
9 Correct 2 ms 1620 KB Output is correct
10 Correct 2 ms 1564 KB Output is correct
11 Correct 1 ms 1572 KB Output is correct
12 Incorrect 2 ms 1552 KB Wrong Answer [5]
13 Halted 0 ms 0 KB -

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 11628 KB Output is correct
2 Correct 28 ms 13560 KB Output is correct
3 Correct 0 ms 1296 KB Output is correct
4 Correct 24 ms 11376 KB Output is correct
5 Correct 35 ms 14192 KB Output is correct
6 Correct 33 ms 14204 KB Output is correct
7 Incorrect 26 ms 13900 KB Wrong Answer [6]
8 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 11596 KB Output is correct
2 Correct 30 ms 12628 KB Output is correct
3 Correct 1 ms 1308 KB Output is correct
4 Correct 26 ms 11384 KB Output is correct
5 Correct 34 ms 14252 KB Output is correct
6 Correct 32 ms 14200 KB Output is correct
7 Correct 29 ms 13916 KB Output is correct
8 Incorrect 25 ms 13912 KB Wrong Answer [6]
9 Halted 0 ms 0 KB -