Compilare: user.cpp: In function ‘int caut_bin(int, int)’: user.cpp:76:18: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] while ( cost > M [ sol ].cost ) ++ sol ; ^ user.cpp: In function ‘int main()’: user.cpp:164:31: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << --sol << '\n' ; ^