skyscraper.cpp: In function 'void solve()':
skyscraper.cpp:31:49: error: no match for 'operator[]' (operand types are 'solve()::<lambda(int, int)>' and 'int')
31 | adj[i].push_back({j,dist[i][j]});
| ^
skyscraper.cpp:31:41: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(<brace-enclosed initializer list>)'
31 | adj[i].push_back({j,dist[i][j]});
| ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/vector:66,
from /usr/include/c++/13/functional:64,
from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53,
from skyscraper.cpp:1:
/usr/include/c++/13/bits/stl_vector.h:1281:7: note: candidate: 'constexpr void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; value_type = std::pair<int, int>]'
1281 | push_back(const value_type& __x)
| ^~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1281:35: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const std::vector<std::pair<int, int> >::value_type&' {aka 'const std::pair<int, int>&'}
1281 | push_back(const value_type& __x)
| ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/13/bits/stl_vector.h:1298:7: note: candidate: 'constexpr void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; value_type = std::pair<int, int>]'
1298 | push_back(value_type&& __x)
| ^~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:1298:30: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'}
1298 | push_back(value_type&& __x)
| ~~~~~~~~~~~~~^~~