0_0_35765321_28672.cpp: In function 'int main()':
0_0_35765321_28672.cpp:103:48: error: converting to 'std::stack<std::tuple<__gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > >, int, int, int> >::value_type {aka std::tuple<__gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > >, int, int, int>}' from initializer list would use explicit constructor 'constexpr std::tuple< <template-parameter-1-1> >::tuple(_UElements&& ...) [with _UElements = {__gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > >, int&, int, int}; <template-parameter-2-2> = void; _Elements = {__gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > >, int, int, int}]'
sta.push({g[0].begin(), pam.last, 0, 0});
^
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