Submission #1145764

#	Time	Username	Problem	Language	Result	Execution time	Memory
1145764		mitko7	Easter Eggs (info1cup17_eastereggs)	C++20	0 / 100	0 ms	460 KiB

eastereggs

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

using namespace std;
int n;
vector<int> g[600];
int egg = 1;
int used[600];
int used1[600];
vector<int> bfs(int x) {
    memset(used, 0, n+1);
    used[x]=1;
    queue<int> q;
    q.push(x);
    vector<int> ans;
    ans.push_back(x);
    while(!q.empty()) {
        int c = q.front(); q.pop();
        for(int nb : g[c]) {
            if(!used[nb]) {
                used[nb] = 1;
                q.push(nb);
                ans.push_back(nb);
            }
        }
    }
    return ans;
}
void solve(int curr) {
    egg = curr;
    used1[curr] = 1;
    //cout << curr << endl;
    if(g[curr].size()==0 && query({curr})) {
        egg = curr;
        return;
    }
    for(int x : g[curr]) {
        if(used1[x]) continue;
        bool is = query(bfs(x));
        if(is) solve(x);
    }
}

int findEgg (int N, vector < pair < int, int > > bridges)
{
    //if (query ({1})) return 1;
    //return N;
    for(auto x : bridges) {
        g[x.first].push_back(x.second);
        //g[x.second].push_back(x.first);
    }
    solve(1);
    for(int i = 1; i <= n; i++) g[i].clear();
    memset(used, 0, n+1);
    memset(used1, 0, n+1);
    return egg;
}

• Subtask 1: 0 / 40
• Subtask 2: 0 / 40
• Subtask 3: 0 / 20