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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#873064#3315. Eulerian Flight TourZhaoZiLongCompile Error//C++142.3kb2025-01-26 08:27:212025-01-26 08:27:21

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answer.code: In function ‘int main()’:
answer.code:61:36: error: could not convert ‘dfs(u, -1)’ from ‘void’ to ‘bool’
   61 |   REP(u, 1, N) if (!vis[u] and !dfs(u, -1)) {
      |                                 ~~~^~~~~~~
      |                                    |
      |                                    void
answer.code:61:36: error: in argument to unary !