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0_0_39461132_31591.cpp: In function 'int main()':
0_0_39461132_31591.cpp:51:22: error: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'class std::vector<int>'} has no member named 'pushb'
   51 |                 e[u].pushb(v);
      |                      ^~~~~
0_0_39461132_31591.cpp:52:22: error: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'class std::vector<int>'} has no member named 'pb'
   52 |                 e[v].pb(u);
      |                      ^~
0_0_39461132_31591.cpp: In lambda function:
0_0_39461132_31591.cpp:78:22: error: 'class std::vector<int>' has no member named 'pb'
   78 |                 temp.pb(x);
      |                      ^~