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Submission #683550

# Submission time Handle Problem Language Result Execution time Memory
683550 2023-01-18T17:20:08 Z JooDdae Easter Eggs (info1cup17_eastereggs) C++17
0 / 100
 268 ms 131072 KB 
#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
using ll = long long;

vector<int> v[1010], l;

void dfs(int u, int p) {
    l.push_back(u);
    for(auto x : v[u]) if(x != p) dfs(x, u);
}

int findEgg(int N, vector<pair<int, int>> bridges) {
    for(auto [x, y] : bridges) v[x].push_back(y), v[y].push_back(x);
    dfs(1, 0);

    int L = 0, R = N-2;
    while(L <= R) {
        int M = (L+R)/2;
        if(query(vector<int>(l.begin(), l.begin()+M+1))) R = M-1;
        else L = M+1;
    }
    return l[L];
}

Subtask #1
0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 268 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 192 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 203 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -