password.cpp: In function 'std::string guess(int, int)':
password.cpp:57:19: error: no matching function for call to 'shuffle(std::vector<std::pair<char, int> >::iterator, std::vector<std::pair<char, int> >::iterator)'
57 | shuffle(all(v));
| ^
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from password.cpp:4:
/usr/include/c++/10/bits/stl_algo.h:3748:5: note: candidate: 'template<class _RAIter, class _UGenerator> void std::shuffle(_RAIter, _RAIter, _UGenerator&&)'
3748 | shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last,
| ^~~~~~~
/usr/include/c++/10/bits/stl_algo.h:3748:5: note: template argument deduction/substitution failed:
password.cpp:57:19: note: candidate expects 3 arguments, 2 provided
57 | shuffle(all(v));
| ^