oj.uz

Submission #955447

# Submission time Handle Problem Language Result Execution time Memory
955447 2024-03-30T13:06:01 Z abczz Stray Cat (JOI20_stray) C++14
15 / 100
 50 ms 17168 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;
  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 = 1e18;
          if (y[0]) return p = 0;
          else return p = 1;
        }
        else {
          dir = -2;
          return -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]) {
      |               ^

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 15904 KB Output is correct
2 Correct 1 ms 1292 KB Output is correct
3 Correct 25 ms 15480 KB Output is correct
4 Correct 50 ms 17168 KB Output is correct
5 Correct 45 ms 17012 KB Output is correct
6 Correct 28 ms 15740 KB Output is correct
7 Correct 30 ms 15748 KB Output is correct
8 Correct 34 ms 16408 KB Output is correct
9 Correct 36 ms 16364 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 15904 KB Output is correct
2 Correct 1 ms 1292 KB Output is correct
3 Correct 25 ms 15480 KB Output is correct
4 Correct 50 ms 17168 KB Output is correct
5 Correct 45 ms 17012 KB Output is correct
6 Correct 28 ms 15740 KB Output is correct
7 Correct 30 ms 15748 KB Output is correct
8 Correct 34 ms 16408 KB Output is correct
9 Correct 36 ms 16364 KB Output is correct
10 Correct 27 ms 13932 KB Output is correct
11 Correct 27 ms 13936 KB Output is correct
12 Correct 27 ms 13944 KB Output is correct
13 Correct 30 ms 13932 KB Output is correct
14 Correct 30 ms 14180 KB Output is correct
15 Correct 30 ms 14456 KB Output is correct
16 Correct 35 ms 16560 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 13512 KB Output is correct
2 Correct 0 ms 1308 KB Output is correct
3 Correct 27 ms 12920 KB Output is correct
4 Correct 35 ms 14972 KB Output is correct
5 Correct 34 ms 14848 KB Output is correct
6 Correct 27 ms 13444 KB Output is correct
7 Correct 33 ms 13676 KB Output is correct
8 Correct 38 ms 14208 KB Output is correct
9 Correct 40 ms 14456 KB Output is correct
10 Correct 30 ms 13864 KB Output is correct
11 Correct 33 ms 13936 KB Output is correct
12 Correct 30 ms 13948 KB Output is correct
13 Correct 32 ms 14828 KB Output is correct
14 Correct 37 ms 14144 KB Output is correct
15 Correct 36 ms 14108 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 13512 KB Output is correct
2 Correct 0 ms 1308 KB Output is correct
3 Correct 27 ms 12920 KB Output is correct
4 Correct 35 ms 14972 KB Output is correct
5 Correct 34 ms 14848 KB Output is correct
6 Correct 27 ms 13444 KB Output is correct
7 Correct 33 ms 13676 KB Output is correct
8 Correct 38 ms 14208 KB Output is correct
9 Correct 40 ms 14456 KB Output is correct
10 Correct 30 ms 13864 KB Output is correct
11 Correct 33 ms 13936 KB Output is correct
12 Correct 30 ms 13948 KB Output is correct
13 Correct 32 ms 14828 KB Output is correct
14 Correct 37 ms 14144 KB Output is correct
15 Correct 36 ms 14108 KB Output is correct
16 Correct 28 ms 12016 KB Output is correct
17 Correct 27 ms 11852 KB Output is correct
18 Correct 33 ms 11792 KB Output is correct
19 Correct 27 ms 12316 KB Output is correct
20 Correct 28 ms 12668 KB Output is correct
21 Correct 31 ms 12332 KB Output is correct
22 Correct 32 ms 14412 KB Output is correct
23 Correct 27 ms 12148 KB Output is correct
24 Correct 33 ms 12392 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1820 KB Output is correct
2 Correct 1 ms 1296 KB Output is correct
3 Correct 1 ms 1552 KB Output is correct
4 Correct 2 ms 1568 KB Output is correct
5 Correct 2 ms 1560 KB Output is correct
6 Correct 2 ms 1568 KB Output is correct
7 Correct 2 ms 1560 KB Output is correct
8 Correct 2 ms 1568 KB Output is correct
9 Correct 2 ms 1560 KB Output is correct
10 Correct 2 ms 1560 KB Output is correct
11 Correct 2 ms 1560 KB Output is correct
12 Incorrect 2 ms 1560 KB Wrong Answer [5]
13 Halted 0 ms 0 KB -

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 11636 KB Output is correct
2 Correct 32 ms 12996 KB Output is correct
3 Correct 1 ms 1304 KB Output is correct
4 Correct 23 ms 11384 KB Output is correct
5 Correct 37 ms 14208 KB Output is correct
6 Correct 36 ms 14196 KB Output is correct
7 Correct 28 ms 13432 KB Output is correct
8 Correct 29 ms 13864 KB Output is correct
9 Correct 34 ms 14632 KB Output is correct
10 Correct 34 ms 14636 KB Output is correct
11 Correct 38 ms 14848 KB Output is correct
12 Correct 35 ms 14632 KB Output is correct
13 Correct 33 ms 14648 KB Output is correct
14 Correct 36 ms 14860 KB Output is correct
15 Correct 33 ms 14664 KB Output is correct
16 Correct 37 ms 14604 KB Output is correct
17 Correct 37 ms 14384 KB Output is correct
18 Correct 32 ms 14376 KB Output is correct
19 Correct 32 ms 14412 KB Output is correct
20 Correct 32 ms 14428 KB Output is correct
21 Incorrect 30 ms 14040 KB Wrong Answer [5]
22 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 11644 KB Output is correct
2 Correct 30 ms 12620 KB Output is correct
3 Correct 1 ms 1308 KB Output is correct
4 Correct 22 ms 11384 KB Output is correct
5 Correct 33 ms 14156 KB Output is correct
6 Correct 32 ms 14284 KB Output is correct
7 Correct 30 ms 13228 KB Output is correct
8 Correct 30 ms 13664 KB Output is correct
9 Correct 34 ms 14616 KB Output is correct
10 Correct 34 ms 14652 KB Output is correct
11 Correct 33 ms 14676 KB Output is correct
12 Correct 33 ms 14580 KB Output is correct
13 Correct 45 ms 14884 KB Output is correct
14 Correct 33 ms 14660 KB Output is correct
15 Correct 35 ms 14588 KB Output is correct
16 Correct 34 ms 14660 KB Output is correct
17 Correct 31 ms 14412 KB Output is correct
18 Incorrect 28 ms 14404 KB Wrong Answer [6]
19 Halted 0 ms 0 KB -