제출 #637175

#제출 시각아이디문제언어결과실행 시간메모리
637175Fidan수천개의 섬 (IOI22_islands)C++17
10 / 100
32 ms3632 KiB
#include <bits/stdc++.h> #include <variant> #include "islands.h" using namespace std; typedef int ll; variant<bool, vector<int>> find_journey(int n, int m, vector<int> u, vector<int> v){ if(n==2){ ll a=-1, b=-1, c=-1; for(ll i=0; i<m; i++){ if(u[i]==0){ if(a==-1) a=i; else b=i; } else c=i; } if(b==-1 || c==-1) return false; return vector<int>({a, c, b, a, c, b}); } else{ ll a=-1, b=-1, c=-1, d=-1, e=-1, f=-1; for(ll i=0; i<m; i++){ if(u[i]==0 && v[i]==1) a=i; if(u[i]==1 && v[i]==0) b=i; if(u[i]==1 && v[i]==2) c=i; if(u[i]==2 && v[i]==1) d=i; if(u[i]==2 && v[i]==0) e=i; if(u[i]==0 && v[i]==2) f=i; } return vector<int>({a, c, e, f, d, b, e, c, a, b, d, f}); } }
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