aliens.cpp: In function 'bool ck(std::pair<long long int, long long int>, long long int)':
aliens.cpp:148:18: error: 'struct std::pair<long long int, long long int>' has no member named 'x'
148 | if(coordinate.x>n||coordinate.y>n||coordinate.x<1||coordinate.y<1){
| ^
aliens.cpp:148:34: error: 'struct std::pair<long long int, long long int>' has no member named 'y'
148 | if(coordinate.x>n||coordinate.y>n||coordinate.x<1||coordinate.y<1){
| ^
aliens.cpp:148:50: error: 'struct std::pair<long long int, long long int>' has no member named 'x'
148 | if(coordinate.x>n||coordinate.y>n||coordinate.x<1||coordinate.y<1){
| ^
aliens.cpp:148:66: error: 'struct std::pair<long long int, long long int>' has no member named 'y'
148 | if(coordinate.x>n||coordinate.y>n||coordinate.x<1||coordinate.y<1){
| ^
aliens.cpp:151:30: error: 'struct std::pair<long long int, long long int>' has no member named 'x'
151 | return examine(coordinate.x,coordinate.y);
| ^
aliens.cpp:151:43: error: 'struct std::pair<long long int, long long int>' has no member named 'y'
151 | return examine(coordinate.x,coordinate.y);
| ^
aliens.cpp: In function 'void findCenter(int, int, int)':
aliens.cpp:165:32: error: too few arguments to function 'bool ck(std::pair<long long int, long long int>, long long int)'
165 | if(ck({middle.x+2*M,middle.y})){
| ^
aliens.cpp:147:6: note: declared here
147 | bool ck(pair<ll,ll>coordinate, ll n){
| ^~
aliens.cpp:166:36: error: too few arguments to function 'bool ck(std::pair<long long int, long long int>, long long int)'
166 | if(ck({middle.x+4*M,middle.y})){
| ^
aliens.cpp:147:6: note: declared here
147 | bool ck(pair<ll,ll>coordinate, ll n){
| ^~
aliens.cpp:170:15: error: no match for 'operator=' (operand types are 'std::pair<long long int, long long int>' and 'co')
170 | ans=middle;
| ^~~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from aliens.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 long int; _T2 = long long int; 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 long int, long long int>&]'
390 | operator=(typename conditional<
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:393:41: note: no known conversion for argument 1 from 'co' to 'std::conditional<true, const std::pair<long long int, long long int>&, const std::__nonesuch&>::type' {aka 'const std::pair<long long int, long long int>&'}
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 long int; _T2 = long long int; 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 long int, long long int>&&]'
401 | operator=(typename conditional<
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:404:31: note: no known conversion for argument 1 from 'co' to 'std::conditional<true, std::pair<long long int, long long int>&&, std::__nonesuch&&>::type' {aka 'std::pair<long long int, long long int>&&'}
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 long int; _T2 = long long int]'
418 | operator=(const pair<_U1, _U2>& __p)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note: template argument deduction/substitution failed:
aliens.cpp:170:15: note: 'co' is not derived from 'const std::pair<_T1, _T2>'
170 | ans=middle;
| ^~~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from aliens.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 long int; _T2 = long long int]'
430 | operator=(pair<_U1, _U2>&& __p)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:430:2: note: template argument deduction/substitution failed:
aliens.cpp:170:15: note: 'co' is not derived from 'std::pair<_T1, _T2>'
170 | ans=middle;
| ^~~~~~
aliens.cpp:174:31: error: 'struct co' has no member named 'Y'
174 | ans={middle.x-2*M,middle.Y}
| ^
aliens.cpp:174:32: error: no match for 'operator=' (operand types are 'std::pair<long long int, long long int>' and '<brace-enclosed initializer list>')
174 | ans={middle.x-2*M,middle.Y}
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from aliens.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 long int; _T2 = long long int; 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 long int, long long int>&]'
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 long int, long long int>&, const std::__nonesuch&>::type' {aka 'const std::pair<long long int, long long int>&'}
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 long int; _T2 = long long int; 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 long int, long long int>&&]'
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 long int, long long int>&&, std::__nonesuch&&>::type' {aka 'std::pair<long long int, long long int>&&'}
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 long int; _T2 = long long int]'
418 | operator=(const pair<_U1, _U2>& __p)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note: template argument deduction/substitution failed:
aliens.cpp:174:32: note: couldn't deduce template parameter '_U1'
174 | ans={middle.x-2*M,middle.Y}
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from aliens.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 long int; _T2 = long long int]'
430 | operator=(pair<_U1, _U2>&& __p)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:430:2: note: template argument deduction/substitution failed:
aliens.cpp:174:32: note: couldn't deduce template parameter '_U1'
174 | ans={middle.x-2*M,middle.Y}
| ^
aliens.cpp:176:32: error: too few arguments to function 'bool ck(std::pair<long long int, long long int>, long long int)'
176 | if(ck({middle.x,middle.y+2*M})){
| ^
aliens.cpp:147:6: note: declared here
147 | bool ck(pair<ll,ll>coordinate, ll n){
| ^~
aliens.cpp:177:35: error: too few arguments to function 'bool ck(std::pair<long long int, long long int>, long long int)'
177 | if(ck({middle.x,middle.y+4*M})){
| ^
aliens.cpp:147:6: note: declared here
147 | bool ck(pair<ll,ll>coordinate, ll n){
| ^~
aliens.cpp:178:14: error: 'struct std::pair<long long int, long long int>' has no member named 'y'
178 | ans.y=middle.y+2*M;
| ^
aliens.cpp:181:14: error: 'struct std::pair<long long int, long long int>' has no member named 'y'
181 | ans.y=middle.y;
| ^
aliens.cpp:185:11: error: 'struct std::pair<long long int, long long int>' has no member named 'y'
185 | ans.y=middle.y-2*M;
| ^
aliens.cpp:187:16: error: 'struct std::pair<long long int, long long int>' has no member named 'x'
187 | solution(ans.x,ans.y);
| ^
aliens.cpp:187:22: error: 'struct std::pair<long long int, long long int>' has no member named 'y'
187 | solution(ans.x,ans.y);
| ^