Submission #260986

#	Time	Username	Problem	Language	Result	Execution time	Memory
260986		sjimed	Stray Cat (JOI20_stray)	C++14	5 / 100	59 ms	20304 KiB

Anthony

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

#define fast ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define em emplace
#define eb emplace_back
#define mp make_pair

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INF = 1e18;
const int inf = 1e9;

namespace {

vector<int> g[200010];
int d[200010] = {};
int num[200010] = {};
int ret[200010] = {1, };
int tb[6] = {1, 1, 0, 1, 0, 0};
int p[200010] = {};

int f(int i) {
  if(ret[i] < 2) return ret[i];

  return tb[ret[i] % 6];
}

}  // namespace

std::vector<int> Mark(int N, int M, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
  
  for(int i=0; i<M; i++) g[U[i]].eb(V[i]), g[V[i]].eb(U[i]);

  queue<int> q;

  q.em(0);
  d[0] = 1;

  vector<int> v;
  while(q.size()) {
    int x = q.front();
    q.pop();
    v.eb(x);

    for(auto i : g[x]) {
      if(d[i]) continue;

      if(g[i].size() == 2 && g[x].size() == 2 && x != 0) ret[i] = 2;
      else if(x == 0 || g[x].size() != 2) ret[i] = 1 - ret[x];
      else ret[i] = 1;
    
      p[i] = x;
      d[i] = d[x] + 1;
      q.em(i);
    }
  }

  reverse(all(v));

  for(auto i : v) {
    if(ret[i] != 2) continue;

    if(g[i][0] != p[i]) ret[i] = ret[g[i][0]] + 1;
    else ret[i] = ret[g[i][1]] + 1;
  }

  std::vector<int> X(M);
  for (int i = 0; i < M; ++i) {
    if(p[U[i]] == V[i]) X[i] = f(U[i]);
    else X[i] = f(V[i]);
   // cout << X[i];
  }
  //cout << endl;
  return X;
}

Catherine

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

#define fast ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define em emplace
#define eb emplace_back
#define mp make_pair

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INF = 1e18;
const int inf = 1e9;

namespace {

int cnt = 0;
int a, b;
int x = 0;

}  // namespace

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

int Move(std::vector<int> y) {
  //cout << "!" << x << endl;
  if(y[0] + y[1] == 0) {
    cnt = 4;
    return -1;
  }
  if(y[0] > y[1] && y[1] >= 1) {
    cnt = 4;
    return 1;
  }
  if(y[1] > y[0] && y[0] >= 1) {
    cnt = 4;
    return 0;
  }

  if(y[0] > 2) {
    cnt = 4;
    return -1;
  }
  if(y[1] > 2) {
    cnt = 4;
    return -1;
  }

  if(y[0] + y[1] == 2) {
    cnt = 0;

    if(y[0] == 0) {
      x = 3;
      return 1;
    }
    if(y[0] == 1) {
      if(x & 1) {
        x = 2;
        return 0;
      }
      else {
        x = 1;
        return 1;
      }
    }
    else {
      if(x & 1) {
        cnt = 4;
        return -1;
      }
      return 0;
    }
  }

  if(y[0] + y[1] == 1) {
    cnt++;
    x <<= 1;
    x |= y[1];
    x &= 31;

    //cout << cnt << " " << x << endl;

    if(cnt == 3) {
      if(x == 5 || x == 11 || x == 22 || x == 12 || x == 25 || x == 18) {
        cnt = 4;
        return -1;
      }
      else {
        cnt = 4;
        return y[1];
      }
    }

    return y[1];
  }
}

Compilation message (stderr)

Anthony.cpp:23:5: warning: '{anonymous}::num' defined but not used [-Wunused-variable]
 int num[200010] = {};
     ^~~

Catherine.cpp: In function 'int Move(std::vector<int>)':
Catherine.cpp:103:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 0 / 2
• Subtask 2: 0 / 2
• Subtask 3: 0 / 2
• Subtask 4: 0 / 9
• Subtask 5: 5 / 5
• Subtask 6: 0 / 71
• Subtask 7: 0 / 9