Submission #799579

#	Time	Username	Problem	Language	Result	Execution time	Memory
799579		burythelightdeepwithin	Stray Cat (JOI20_stray)	C++14	5 / 100	33 ms	17356 KiB

Anthony

#include <bits/stdc++.h>
#include "Anthony.h"
 
using namespace std;
 
vector <pair <int, int> > adj[20003], adj_dfs[20003];
vector <int> plan;
int vs[20003];
queue <int> q;
vector <int> leaf;
 
void bfs(){
    while(!q.empty()){
        int u = q.front();
        vs[u] = 1;
        q.pop();
        for (auto e: adj[u]){
            int v = e.first, id = e.second;
            if (!vs[v]){
                q.push(v);
                vs[v] = 1;
                adj_dfs[u].push_back({v, id});
                //adj_dfs[v].push_back({u, id});
            }
        }
    }
}
 
void dfs(int u, int mark){
    vs[u] = 1;
    for (auto e: adj_dfs[u]){
        int v = e.first, id = e.second;
        if (!vs[v]){
            plan[id] = mark;
            dfs(v, (mark^1));
        }
    }
}
 
vector <int> Mark(int N, int M, int A, int B, vector<int> U, vector <int> V){
    for (int i = 0; i < M; i++){
        adj[U[i]].push_back({V[i], i});
        adj[V[i]].push_back({U[i], i});
        plan.push_back(-1);
    }
    q.push(0);
    bfs();
    for (int i = 0; i < N; i++){
        vs[i] = 0;
    }
    dfs(0, 0);
    for (int i = 0; i < M; i++){
        if (plan[i] == -1){
            plan[i] = 2;
        }
    }
    return plan;
}

Catherine

#include <bits/stdc++.h>
#include "Catherine.h"
 
using namespace std;
 
int first = -1, last = -1, cnt = 0;
 
void Init(int A, int B){
 
}
 
int Move(vector <int> y){
    if (first == -1){
        if (last == -1){
            if (y[0] == 0){
                first = 1;
                return first;
            } else if (y[1] == 0){
                first = 0;
                return first;
            }
            if (y[0] > y[1]){
                first = 1;
                return first;
            } else if (y[0] < y[1]){
                first = 0;
                return first;
            } else {
                last = 0;
                return 0;
            }
        } else {
            if (y[last^1] != 1){
                first = last;
                return -1;
            } else {
                last ^= 1;
                return last;
            }
        }
    } else {
        if (y[0] == 0){
            last = 1;
            return 1;
        } else if (y[1] == 0){
            last = 0;
            return 0;
        } else {
            last ^= 1;
            return last;
        }
    }
}

• 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