Compilare: user.cpp: In function ‘int main()’: user.cpp:37:22: warning: unused variable ‘p’ [-Wunused-variable] unsigned int i,j,p=0; ^ user.cpp: In function ‘int caut0(unsigned int, unsigned int)’: user.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int caut1(unsigned int, unsigned int)’: user.cpp:22:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int caut2(unsigned int, unsigned int)’: user.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type] } ^