Compilare: user.cpp: In function ‘int caut1(int, int, int)’: user.cpp:8:9: warning: unused variable ‘nr’ [-Wunused-variable] int nr = q,mid; ^ user.cpp: In function ‘int caut2(int, int, int)’: user.cpp:24:9: warning: unused variable ‘nr’ [-Wunused-variable] int nr = q,mid; ^ user.cpp: In function ‘int caut3(int, int, int)’: user.cpp:39:9: warning: unused variable ‘nr’ [-Wunused-variable] int nr = q,mid; ^ user.cpp: In function ‘int caut2(int, int, int)’: user.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int caut3(int, int, int)’: user.cpp:52:1: warning: control reaches end of non-void function [-Wreturn-type] } ^