제출 #1024629

#제출 시각아이디문제언어결과실행 시간메모리
1024629Wansur수천개의 섬 (IOI22_islands)C++17
1.75 / 100
19 ms9052 KiB
#include <bits/stdc++.h>
#include <variant>
#define f first
#define s second
#define ent '\n'

using namespace std;
typedef long long ll;
const int maxn = 2e5 + 12;
const int mod = 1e9 + 2022;

vector<int> g[maxn];
int n, m;

variant<bool, vector<int>> find_journey(int N, int M, vector<int> u, vector<int> v){
    n = N, m = M;
    for(int i=0;i<m;i++){
        g[u[i]].push_back(i);
    }
    if(g[0].size() >= 2 && g[1].size() >= 2){
        vector<int> ans;
        ans = {g[0][0], g[1][0], g[0][1], g[1][1], g[1][0], g[0][0], g[1][1], g[0][1]};
        return ans;
    }
    return false;
}
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