Compilare: main.cpp: In function 'int bs_perm(int)': main.cpp:35:30: warning: unused variable 'x' [-Wunused-variable] 35 | int st = 1, dr = n, mij, x = -1, sol, aux; | ^ main.cpp: In function 'std::vector<int> solve(std::vector<int>)': main.cpp:67:1: warning: no return statement in function returning non-void [-Wreturn-type] 67 | } | ^ main.cpp: In function 'int bs_perm(int)': main.cpp:51:12: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] 51 | return sol; | ^~~