1 #include<stdio.h> 2 int recursive(int m,int n) 3 { 4 if(m==0)return n+1; 5 if(m>0&&n==0)return recursive(m-1,1); 6 if(m>0&&n>0)return recursive(m-1,recursive(m,n-1)); 7 } 8 int main() 9 { 10 int a,b;//直接上代码,看不懂请左转躺下,来生再见。 11 while(scanf("%d %d",&a,&b)!=EOF) 12 { 13 printf("%d ",recursive(a,b)); 14 } 15 return 0; 16 }