Compilare: user.cpp: In function ‘int hash1_sub(int)’: user.cpp:16:9: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int hash2_sub(int)’: user.cpp:24:9: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int hash1_s(int, int)’: user.cpp:32:9: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int hash2_s(int, int)’: user.cpp:40:9: warning: no return statement in function returning non-void [-Wreturn-type] } ^ /tmp/cc81pp2E.o: In function `main': user.cpp:(.text.startup+0x4e): warning: the `gets' function is dangerous and should not be used.