Compilare: user.cpp: In function ‘int recur(int, int, int, int)’: user.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp:10:16: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(a<c && b<d) ^ user.cpp:20:23: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] recur(a,b,x,y); ^