Compilare: user.cpp: In function ‘int cautBin0(int)’: user.cpp:8:27: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] int st = 0, dr = n-1, mid, found = false; ^~~ user.cpp: In function ‘int cautBin1(int)’: user.cpp:30:27: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] int st = 0, dr = n-1, mid, found = false; ^~~ user.cpp: In function ‘int cautBin2(int)’: user.cpp:52:27: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] int st = 0, dr = n-1, mid, found = false; ^~~