제출 #1173648

#제출 시각아이디문제언어결과실행 시간메모리
1173648SpyrosAliv수천개의 섬 (IOI22_islands)C++20
6.75 / 100
19 ms6000 KiB
#include <bits/stdc++.h> using namespace std; int n, m; vector<int> u, v; variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V) { n = N; m = M; u = U; v = V; if (n == 2) { int cnt1 = 0, cnt2 = 0; vector<int> a, b; for (int i = 0; i < m; i++) { if (u[i] == 0) { cnt1++; a.push_back(i); } else { cnt2++; b.push_back(i); } } if (cnt1 < 2 || cnt2 < 1) return false; vector<int> ans = {a[0], b[0], a[1], a[0], b[0], a[1]}; return ans; } }

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:29:1: warning: control reaches end of non-void function [-Wreturn-type]
   29 | }
      | ^
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