oj.uz

답안 #243032

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
243032 2020-06-30T08:01:43 Z Joky Easter Eggs (info1cup17_eastereggs) C++14
0 / 100
 26 ms 384 KB 
#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
 
#define mk 513
 
vector <int> g[mk] ,cur_node, Set;
 
int SZ;
void dfs(int u ,int p=-1){
    if(!SZ)
        return;
    Set.push_back(u);
    if(find(cur_node.begin() ,cur_node.end() ,u) != cur_node.end())
        SZ--;
    for(int v : g[u]) if(v != p) dfs(v , u);
}
vector <int> findSet(int sz){
    SZ = sz;
    Set.clear();
    dfs(1);
    return Set;
}
 
int findEgg (int N, vector < pair < int, int > > bridges){
    cur_node.clear();
    for(int i=0; i<=N; i++)
        g[i].clear();
    for(auto&e : bridges)
        g[e.first].push_back(e.second),
        g[e.second].push_back(e.first);
 
    cur_node.resize(N);
    iota(cur_node.begin() ,cur_node.end() ,1);
 
    while(cur_node.size() > 1){
        vector <int> vs = findSet(((int)cur_node.size())/2);
        if(2 == 3){
            vector <int> nv;
            for(int&v : vs)
                if(find(cur_node.begin(), cur_node.end() ,v) !=cur_node.end())
                    nv.push_back(v);
            cur_node = nv;
        }else{
            for(int&v : vs)
                if(find(cur_node.begin() ,cur_node.end() ,v) != cur_node.end())
                    cur_node.erase(find(cur_node.begin() ,cur_node.end() ,v));
        }
    }
 
    return cur_node.front();
}

Subtask #1
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 4 ms 384 KB The found island is incorrect
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 8 ms 384 KB The found island is incorrect
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 26 ms 384 KB The found island is incorrect
2 Halted 0 ms 0 KB -