Compilare: main.cpp: In function 'int main()': main.cpp:14:59: warning: ignoring return value of 'std::deque<_Tp, _Alloc>::reference std::deque<_Tp, _Alloc>::back() [with _Tp = int; _Alloc = std::allocator<int>; reference = int&]', declared with attribute 'nodiscard' [-Wunused-result] 14 | while(!dq.empty() && v[i] <= v[dq.back()]) dq.back(); | ~~~~~~~^~ In file included from /usr/include/c++/12.2.1/deque:64, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:68, from main.cpp:1: /usr/include/c++/12.2.1/bits/stl_deque.h:1468:7: note: declared here 1468 | back() _GLIBCXX_NOEXCEPT | ^~~~ main.cpp:38:38: warning: 'solDr' may be used uninitialized [-Wmaybe-uninitialized] 38 | fout << solSt << " " << solDr << " " << maxim; | ^~~ main.cpp:24:26: note: 'solDr' was declared here 24 | int rez = -1, solSt, solDr; | ^~~~~ main.cpp:38:22: warning: 'solSt' may be used uninitialized [-Wmaybe-uninitialized] 38 | fout << solSt << " " << solDr << " " << maxim; | ^~~ main.cpp:24:19: note: 'solSt' was declared here 24 | int rez = -1, solSt, solDr; | ^~~~~