Compilare: user.c: In function ‘search1’: user.c:34:5: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^ user.c: In function ‘search2’: user.c:50:5: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^ user.c: In function ‘main’: user.c:72:12: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g,"%d\n",search2(b)); ^ user.c:70:12: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g,"%d\n",search1(b)); ^