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lily09290110

空間切割

Jan 13th, 2015
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C 0.32 KB | None | 0 0
  1. #include <stdio.h>
  2. int sole(int n,int *a)
  3. {
  4.     int ans;
  5.     if(n!=0)
  6.     {
  7.         ans=sole(n-1,a)+*a;
  8.         *a+=n;
  9.         return ans;
  10.     }
  11.     else
  12.       return 1;
  13. }
  14. int main(void) {
  15.     int n,a;
  16.     while(~scanf("%d",&n))
  17.     {
  18.        a=1;
  19.        printf("%d\n",sole(n,&a));
  20.     }
  21.     return 0;
  22. }
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