Submission #1227931

#	Time	Username	Problem	Language	Result	Execution time	Memory
1227931		erering	Cop and Robber (BOI14_coprobber)	C++20	0 / 100	26 ms	1860 KiB

coprobber

#include "coprobber.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
vector<int> adj[501];
bool in[501];
int go[501],crnt=0;
void dfs(int node,int par,int goal){
    if(node==goal){
        in[node]=1;
        return;
    }
    for(auto i:adj[node]){
        if(i==par)continue;
        dfs(i,node,goal);
        if(in[i]){
            go[node]=i;
            in[node]=1;
        }
    }
}
int start(int N, bool A[MAX_N][MAX_N])
{
    for(int i=0;i<N;i++){
        for(int j=0;j<N;j++){
            if(A[i][j])adj[i].pb(j);
        }
    }
    return 0;
}

int nextMove(int R)
{
    dfs(crnt,-1,R);
    crnt=go[crnt];
    return crnt;
}

• Subtask 1: 0 / 16
• Subtask 2: 0 / 14
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40