Compilare: In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:64, from /usr/include/c++/12.2.1/bits/specfun.h:45, from /usr/include/c++/12.2.1/cmath:1935, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:41, from main.cpp:1: In member function 'constexpr std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(const std::pair<_T1, _T2>&) requires _S_assignable<const _T1&, const _T2&>() [with _T1 = int; _T2 = int]', inlined from 'int main()' at main.cpp:74:59: /usr/include/c++/12.2.1/bits/stl_pair.h:335:22: warning: 'jm' may be used uninitialized [-Wmaybe-uninitialized] 335 | second = __p.second; | ~~~~^~~~~~ main.cpp: In function 'int main()': main.cpp:51:24: note: 'jm' was declared here 51 | int maxx = -1, im, jm; | ^~ main.cpp:71:29: warning: 'im' may be used uninitialized [-Wmaybe-uninitialized] 71 | while ( last_pair.first != 0 ) | ~~~~~~~~~~~~~~~~^~~~ main.cpp:51:20: note: 'im' was declared here 51 | int maxx = -1, im, jm; | ^~