Compilare: user.cpp: In function ‘int bs1(int)’: user.cpp:63:9: warning: unused variable ‘z’ [-Wunused-variable] int z = v[mij]; ^ user.cpp: In function ‘int bs2(int)’: user.cpp:99:9: warning: unused variable ‘z’ [-Wunused-variable] int z = v[mij]; ^ user.cpp: In function ‘int bs0(int)’: user.cpp:29:18: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] return mij - 1; ^ user.cpp: In function ‘int bs1(int)’: user.cpp:65:18: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] return mij - 1; ^ user.cpp: In function ‘int bs2(int)’: user.cpp:101:18: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] return mij + 1; ^