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怎么才不超时!!#include<stdio.h> int c(int n,int k) { if(k==0||k==n) return 1; else return c(n-1,k-1)+c(n-1,k); } void main() { int k,n; while(scanf("%d %d",&n,&k)!=EOF) { printf("%d\n",c(n,k)%2); } } Followed by: Post your reply here: |
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