Compilare: user.cpp: In function ‘int caz_1(int, int, int)’: user.cpp:19: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘int caz_2(int, int, int)’: user.cpp:29: warning: ‘mid’ may be used uninitialized in this function user.cpp: In function ‘int caz_3(int, int, int)’: user.cpp:44: warning: ‘mid’ may be used uninitialized in this function