제출 #1024680

#제출 시각아이디문제언어결과실행 시간메모리
1024680Wansur수천개의 섬 (IOI22_islands)C++17
1.75 / 100
62 ms25252 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;

map<int, int> a[maxn];
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++){
        a[u[i]][v[i]] = i;
        g[u[i]].push_back(i);
    }
    if(g[0].size() < 2) return false;
    return g[0];
}
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