Submission #964232

#	Time	Username	Problem	Language	Result	Execution time	Memory
964232		LucaIlie	Stray Cat (JOI20_stray)	C++17	15 / 100	55 ms	16968 KiB

Anthony

#include "Anthony.h"
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 2e4;
const int MAX_M = 2e4;
bool vis[MAX_N], visE[MAX_M];
int d[MAX_N];
vector<int> adj[MAX_N];

vector<int> Mark( int N, int M, int A, int B, vector<int> U, vector<int> V ) {
    vector<int> X( M );

    for ( int i = 0; i < M; i++ ) {
        adj[U[i]].push_back( i );
        adj[V[i]].push_back( i );
    }

    queue<int> q;

    d[0] = 0;
    vis[0] = true;
    q.push( 0 );
    while ( !q.empty() ) {
        int u = q.front();
        q.pop();

        for ( int e: adj[u] ) {
            if ( visE[e] )
                continue;
            visE[e] = true;
            int v = (U[e] == u ? V[e] : U[e]);
            X[e] = d[u];
            if ( vis[v] )
                continue;
            d[v] = (d[u] + 1) % 3;
            vis[v] = true;
            q.push( v );
        }
    }
    
    return X;
}

Catherine

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