roads.cpp: In function 'int main()':
roads.cpp:122:31: warning: narrowing conversion of 'i' from 'int' to 'long double' [-Wnarrowing]
122 | sgt[i] = {a, b, c, d, i};
| ^
roads.cpp:129:44: warning: narrowing conversion of '(n - 1)' from 'int' to 'long double' [-Wnarrowing]
129 | sgt[n - 1] = {-INF, -INF, INF, -INF, n - 1};
| ~~^~~
roads.cpp:132:36: warning: narrowing conversion of 'n' from 'int' to 'long double' [-Wnarrowing]
132 | sgt[n] = {-INF, INF, INF, INF, n};
| ^
roads.cpp:175:50: error: no match for 'operator=' (operand types are 'std::map<std::pair<long double, long double>, std::pair<long double, long double> >::mapped_type' {aka 'std::pair<long double, long double>'} and '<brace-enclosed initializer list>')
175 | mp[{indS, x.second}] = {x.first, x.second};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from roads.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:390:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type) [with _T1 = long double; _T2 = long double; typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type = const std::pair<long double, long double>&]'
390 | operator=(typename conditional<
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:393:41: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<long double, long double>&, const std::__nonesuch&>::type' {aka 'const std::pair<long double, long double>&'}
390 | operator=(typename conditional<
| ~~~~~~~~~~~~~~~~~~~~~
391 | __and_<is_copy_assignable<_T1>,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
392 | is_copy_assignable<_T2>>::value,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
393 | const pair&, const __nonesuch&>::type __p)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_pair.h:401:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type) [with _T1 = long double; _T2 = long double; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type = std::pair<long double, long double>&&]'
401 | operator=(typename conditional<
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:404:31: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<long double, long double>&&, std::__nonesuch&&>::type' {aka 'std::pair<long double, long double>&&'}
401 | operator=(typename conditional<
| ~~~~~~~~~~~~~~~~~~~~~
402 | __and_<is_move_assignable<_T1>,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
403 | is_move_assignable<_T2>>::value,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
404 | pair&&, __nonesuch&&>::type __p)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = long double; _T2 = long double]'
418 | operator=(const pair<_U1, _U2>& __p)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note: template argument deduction/substitution failed:
roads.cpp:175:50: note: couldn't deduce template parameter '_U1'
175 | mp[{indS, x.second}] = {x.first, x.second};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from roads.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:430:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = long double; _T2 = long double]'
430 | operator=(pair<_U1, _U2>&& __p)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:430:2: note: template argument deduction/substitution failed:
roads.cpp:175:50: note: couldn't deduce template parameter '_U1'
175 | mp[{indS, x.second}] = {x.first, x.second};
| ^
roads.cpp:176:50: error: no match for 'operator=' (operand types are 'std::map<std::pair<long double, long double>, std::pair<long double, long double> >::mapped_type' {aka 'std::pair<long double, long double>'} and '<brace-enclosed initializer list>')
176 | mp[{x.second, indJ}] = {x.first, x.second};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from roads.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:390:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type) [with _T1 = long double; _T2 = long double; typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type = const std::pair<long double, long double>&]'
390 | operator=(typename conditional<
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:393:41: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<long double, long double>&, const std::__nonesuch&>::type' {aka 'const std::pair<long double, long double>&'}
390 | operator=(typename conditional<
| ~~~~~~~~~~~~~~~~~~~~~
391 | __and_<is_copy_assignable<_T1>,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
392 | is_copy_assignable<_T2>>::value,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
393 | const pair&, const __nonesuch&>::type __p)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_pair.h:401:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type) [with _T1 = long double; _T2 = long double; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type = std::pair<long double, long double>&&]'
401 | operator=(typename conditional<
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:404:31: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<long double, long double>&&, std::__nonesuch&&>::type' {aka 'std::pair<long double, long double>&&'}
401 | operator=(typename conditional<
| ~~~~~~~~~~~~~~~~~~~~~
402 | __and_<is_move_assignable<_T1>,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
403 | is_move_assignable<_T2>>::value,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
404 | pair&&, __nonesuch&&>::type __p)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = long double; _T2 = long double]'
418 | operator=(const pair<_U1, _U2>& __p)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note: template argument deduction/substitution failed:
roads.cpp:176:50: note: couldn't deduce template parameter '_U1'
176 | mp[{x.second, indJ}] = {x.first, x.second};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from roads.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:430:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = long double; _T2 = long double]'
430 | operator=(pair<_U1, _U2>&& __p)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:430:2: note: template argument deduction/substitution failed:
roads.cpp:176:50: note: couldn't deduce template parameter '_U1'
176 | mp[{x.second, indJ}] = {x.first, x.second};
| ^