oj.uz

Submission #522182

# Submission time Handle Problem Language Result Execution time Memory
522182 2022-02-04T03:33:58 Z blue Easter Eggs (info1cup17_eastereggs) C++17
0 / 100
 1 ms 328 KB 
#include <vector>
#include <cassert>
#include "grader.h"
using namespace std;

using vi = vector<int>;
using pii = pair<int, int>;

const int mx = 512;

vi edge[1+mx];


vi ord(1, 0);

vi vis(1+mx, 0);

void dfs(int u, int p)
{
    vis[u] = 1;
    ord.push_back(u);
    for(int v : edge[u])
    {
        if(v != p && !vis[v]) 
            dfs(v, u);
    }
}


int findEgg (int N, vector < pair < int, int > > bridges)
{
    for(pii b: bridges)
    {
        edge[b.first].push_back(b.second);
        edge[b.second].push_back(b.first);
    }

    dfs(1, 0);

    // assert(int(bridges.size()) == N);
    // assert(int(ord.size()) == N+1);

    // int lo = 1, hi = N;
    // while(lo != hi)
    // {
    //     int mid = (lo+hi)/2;

    //     vi qr;
    //     for(int i = 1; i <= mid; i++)
    //         qr.push_back(ord[i]);

    //     if(query(qr))
    //         hi = mid;
    //     else
    //         lo = mid+1;
    // }

    // return ord[lo];

    return 0;
}

Subtask #1
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB The found island is incorrect
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 328 KB The found island is incorrect
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 328 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -