제출 #1079564

#제출 시각아이디문제언어결과실행 시간메모리
1079564Lalic수천개의 섬 (IOI22_islands)C++17
1.75 / 100
20 ms5196 KiB
#include "islands.h" //~ #include <variant> #include <bits/stdc++.h> using namespace std; #define fi first #define se second #define pb push_back #define all(x) x.begin(), x.end() #define allr(x) x.rbegin(), x.rend() #define mp make_pair typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef complex<double> cd; variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V) { vector<vector<int>> adj(N); for(int i=0;i<M;i++) adj[U[i]].pb(V[i]); if(N==2){ if((int)adj[0].size()>=2 && adj[1].size()>=1) return vector<int>({0, 1, 0, 1, 0, 1, 0}); return false; } }

컴파일 시 표준 에러 (stderr) 메시지

islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)':
islands.cpp:19:27: warning: control reaches end of non-void function [-Wreturn-type]
   19 |  vector<vector<int>> adj(N);
      |                           ^
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