제출 #1149581

#제출 시각아이디문제언어결과실행 시간메모리
1149581byunjaewoo수천개의 섬 (IOI22_islands)C++20
5 / 100
19 ms3140 KiB
#include "islands.h" #include <bits/stdc++.h> #include <variant> using namespace std; variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V) { if(N<3) return false; int a=0, b=0, c=0, d=0; for(int i=0; i<M; i++) { if(U[i]==0 && V[i]==1) a=i; else if(U[i]==0 && V[i]==2) b=i; else if(U[i]==1 && V[i]==0) c=i; else if(U[i]==2 && V[i]==0) d=i; } vector<int> ret; ret.push_back(a), ret.push_back(c), ret.push_back(b), ret.push_back(d); ret.push_back(c), ret.push_back(a), ret.push_back(d), ret.push_back(b); return ret; }
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