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Submission #841838

# Submission time Handle Problem Language Result Execution time Memory
841838 2023-09-02T07:22:19 Z manizare Cop and Robber (BOI14_coprobber) C++14
16 / 100
 29 ms 1836 KB 
#include<bits/stdc++.h>
#include "coprobber.h"
 
using namespace std;
 
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
 
vector<int>adj[500];
vector<int>used(500),p(500);
int cur=0,f=0;
void dfs(int u){
    used[u]=1;
    for(auto v:adj[u]){
        if(used[v]==0){
            p[v]=u;
            dfs(v);
        }
    }
}

int start(int N,bool a[500][500]){
    int cnt=0;
    for(int i=0;i<N;i++){
        for(int j=0;j<N;j++){
            if(i==j) continue;
            if(a[i][j]==true){
                adj[i].pb(j);
                cnt++;
            }
        }
    }
    dfs(0) ;
    if(cnt!=2*(N-1)){
        return -1;
    }
    return 0;
}

int nextMove(int r){
    if(p[r]==cur){
        return cur;
    }
    while(p[r]!=cur){
        r=p[r];
    }
    return cur=r;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 29 ms 1836 KB Output is correct
5 Correct 8 ms 1052 KB Output is correct
6 Correct 29 ms 1608 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Cop can catch the robber, but start() returned -1
2 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Incorrect 0 ms 344 KB Cop can catch the robber, but start() returned -1
5 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 29 ms 1836 KB Output is correct
5 Correct 8 ms 1052 KB Output is correct
6 Correct 29 ms 1608 KB Output is correct
7 Incorrect 0 ms 344 KB Cop can catch the robber, but start() returned -1
8 Halted 0 ms 0 KB -