Compilare: main.cpp: In function 'int cb2(int, int*, int)': main.cpp:20:12: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] 20 | return poz; | ^~~ main.cpp: In function 'int cb1(int, int*, int)': main.cpp:25:17: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] 25 | return (arr[poz] == x ? poz : -1); | ^~~ main.cpp: In function 'int cb3(int, int*, int)': main.cpp:38:12: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] 38 | return poz; | ^~~ main.cpp: In function 'int main()': main.cpp:59:43: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] 59 | fout << cb3(n, arr, x) + 1 << '\n'; | ^~~~ main.cpp:56:43: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] 56 | fout << cb2(n, arr, x) + 1 << '\n'; | ^~~~ main.cpp:25:17: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] 25 | return (arr[poz] == x ? poz : -1); | ^~~ main.cpp:10:29: note: 'poz' was declared here 10 | int lo = 0, hi = n - 1, poz; | ^~~