题解 | #放苹果#

#include <stdio.h>

int f(int m,int n){
    if ((m==0)||(n==1)) return 1;
    else if(m<n) return f(m,m);
    return(f(m-n,n)+f(m,n-1));
}

int main(void) { 
    int m,n;
    while(scanf("%d",&m)!=-1){
        scanf("%d",&n);
        printf("%d\n",f(m,n));
    }
	return 0;
}