Compilare: user.cpp: In function ‘int search0(int, int)’: user.cpp:14:10: warning: ‘mem’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (mem) ^ user.cpp: In function ‘int search1(int, int)’: user.cpp:26:17: warning: ‘mem’ may be used uninitialized in this function [-Wmaybe-uninitialized] return mem; ^ user.cpp: In function ‘int search2(int, int)’: user.cpp:37:17: warning: ‘mem’ may be used uninitialized in this function [-Wmaybe-uninitialized] return mem; ^ user.cpp: In function ‘int main()’: user.cpp:49:37: warning: ‘mem’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (t==2) out <<search2 (n,k)<<"\n"; ^ user.cpp:48:37: warning: ‘mem’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (t==1) out <<search1 (n,k)<<"\n" ; ^ user.cpp:14:10: warning: ‘mem’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (mem) ^ user.cpp:7:20: note: ‘mem’ was declared here int left=1;int mem,mid; ^