Submission #1204621

#	Time	Username	Problem	Language	Result	Execution time	Memory
1204621		mychecksedad	Stray Cat (JOI20_stray)	C++20	0 / 100	30 ms	13896 KiB

Anthony

#include "Anthony.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;

namespace {

  int FunctionExample(int i, int A) {
    return i % A;
  }
}  


vector<int> Mark(int n, int m, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
  vector<int> X(m);
  vector<vector<pii>> g(n);
  for(int i = 0; i < m; ++i){
    g[U[i]].pb({V[i], i});
    g[V[i]].pb({U[i], i});
  }
  vi vis(n + 1);
  vis[0] = 1;
  queue<int> q;
  vi par(n + 1);
  vi col(n + 1);
  q.push(0);

  while(!q.empty()){
    int v = q.front(); q.pop();
    for(auto [u, idx]: g[v]){
      if(!vis[u]){
        par[u] = v;
        q.push(u);
        X[idx] = col[v] ^ 1;
        col[u] = col[v] ^ 1;
        vis[u] = 1;       
      }else{
        if(u == par[v]) continue;
        X[idx] = 2;
      }
    }
  }

  // for(int i = 0 ; i< m; ++i){
  //   cerr << U[i] << ' ' << V[i] << ' ' << X[i] << '\n';
  // }

  return X;
}

Catherine

/* Author : Mychecksdead  */
#include "Catherine.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;

namespace {


  int last_col = -1;
  int A, B;
}  // namespace

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

int Move(std::vector<int> y) {
  if(last_col == -1){
    if(y[0] == 1) return last_col = 0;
    return last_col = 1;
  }
  assert(y[last_col^1] == 1);
  if(last_col == 0) return last_col = 1;
  return last_col = 0;
}

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