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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