friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:7:16: error: 'begin' was not declared in this scope
7 | for (int x: confidence) m = max(m, x);
| ^~~~~~~~~~
friend.cpp:7:16: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from friend.cpp:1:
/usr/include/c++/10/valarray:1224:5: note: 'std::begin'
1224 | begin(const valarray<_Tp>& __va)
| ^~~~~
In file included from /usr/include/c++/10/filesystem:46,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:129,
from friend.cpp:1:
/usr/include/c++/10/bits/fs_dir.h:549:3: note: 'std::filesystem::__cxx11::begin'
549 | begin(recursive_directory_iterator __iter) noexcept
| ^~~~~
friend.cpp:7:16: error: 'end' was not declared in this scope
7 | for (int x: confidence) m = max(m, x);
| ^~~~~~~~~~
friend.cpp:7:16: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from friend.cpp:1:
/usr/include/c++/10/valarray:1244:5: note: 'std::end'
1244 | end(const valarray<_Tp>& __va)
| ^~~
In file included from /usr/include/c++/10/filesystem:46,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:129,
from friend.cpp:1:
/usr/include/c++/10/bits/fs_dir.h:554:3: note: 'std::filesystem::__cxx11::end'
554 | end(recursive_directory_iterator) noexcept
| ^~~