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View Compilation Error

0_0_37862997_10922.cpp: In lambda function:
0_0_37862997_10922.cpp:26:19: error: expected unqualified-id before '[' token
         for (auto [v, weight] : adj[u]) {
                   ^
0_0_37862997_10922.cpp:26:19: error: expected ';' before '[' token
0_0_37862997_10922.cpp:26:20: error: 'v' was not declared in this scope
         for (auto [v, weight] : adj[u]) {
                    ^
0_0_37862997_10922.cpp:26:23: error: 'weight' was not declared in this scope
         for (auto [v, weight] : adj[u]) {
                       ^
0_0_37862997_10922.cpp: In lambda function:
0_0_37862997_10922.cpp:26:31: error: expected '{' before ':' token
         for (auto [v, weight] : adj[u]) {
                               ^
0_0_37862997_10922.cpp: In lambda function:
0_0_37862997_10922.cpp:26:31: error: expected ';' before ':' token
0_0_37862997_10922.cpp:26:31: error: expected primary-expression before ':' token
0_0_37862997_10922.cpp:26:31: error: expected ')' before ':' token
0_0_37862997_10922.cpp:26:31: error: expected primary-expression before ':' token
0_0_37862997_10922.cpp: In lambda function:
0_0_37862997_10922.cpp:40:19: error: expected unqualified-id before '[' token
         for (auto [v, _] : adj[u]) {
                   ^
0_0_37862997_10922.cpp:40:19: error: expected ';' before '[' token
0_0_37862997_10922.cpp:40:20: error: 'v' was not declared in this scope
         for (auto [v, _] : adj[u]) {
                    ^
0_0_37862997_10922.cpp:40:23: error: '_' was not declared in this scope
         for (auto [v, _] : adj[u]) {
                       ^
0_0_37862997_10922.cpp: In lambda function:
0_0_37862997_10922.cpp:40:26: error: expected '{' before ':' token
         for (auto [v, _] : adj[u]) {
                          ^
0_0_37862997_10922.cpp: In lambda function:
0_0_37862997_10922.cpp:40:26: error: expected ';' before ':' token
0_0_37862997_10922.cpp:40:26: error: expected primary-expression before ':' token
0_0_37862997_10922.cpp:40:26: error: expected ')' before ':' token
0_0_37862997_10922.cpp:40:26: error: expected primary-expression before ':' token
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:71:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
                 from 0_0_37862997_10922.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Iterator2 = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = solve()::<lambda(int, int)>::<lambda(auto:1, auto:2)>]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1846:27:   required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<solve()::<lambda(int, int)>::<lambda(auto:1, auto:2)> >]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1884:70:   required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<solve()::<lambda(int, int)>::<lambda(auto:1, auto:2)> >]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1970:55:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<solve()::<lambda(int, int)>::<lambda(auto:1, auto:2)> >]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4716:78:   required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Compare = solve()::<lambda(int, int)>::<lambda(auto:1, auto:2)>]'
0_0_37862997_10922.cpp:38:10:   required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:121:46: error: invalid use of 'auto'
         { return bool(_M_comp(*__it1, *__it2)); }
                                              ^


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