Compilare: user.cpp: In function ‘int main()’: user.cpp:68:9: warning: unused variable ‘st’ [-Wunused-variable] int st,dr,x; ^ user.cpp:68:12: warning: unused variable ‘dr’ [-Wunused-variable] int st,dr,x; ^ user.cpp:68:15: warning: unused variable ‘x’ [-Wunused-variable] int st,dr,x; ^ user.cpp: In function ‘int caut1(int, int, int)’: user.cpp:51:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int caut2(int, int, int)’: user.cpp:65:1: warning: control reaches end of non-void function [-Wreturn-type] } ^