Compilare: user.cpp: In function ‘int marcheaza(int, int)’: user.cpp:31:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:35:9: warning: unused variable ‘x’ [-Wunused-variable] int x,y,x2,y2; ^ user.cpp:35:11: warning: unused variable ‘y’ [-Wunused-variable] int x,y,x2,y2; ^ user.cpp:35:13: warning: unused variable ‘x2’ [-Wunused-variable] int x,y,x2,y2; ^ user.cpp:35:16: warning: unused variable ‘y2’ [-Wunused-variable] int x,y,x2,y2; ^