Functia Ackermann

Functia Ackermann recursiv #include<iostream.h>long ack(unsigned x,unsigned y){if(x==0) return y+1;if(y==0) return ack(x-1,1);return ack(x-1,ack(x,y-1));} void main(){unsigned m,n;cout<<“m=”;cin>>m;cout<<“n=”;cin>>n;cout<<ack(m,n);}