#include 
     
      void  merge(int *const a,int p,int q, int r);void merge_sort(int a[],int p,int r);int main(void){int j;int arraynumber[]={
   3,5,1,2,0,-1,-3,7,9,8};int len=sizeof(arraynumber)/sizeof(int);merge_sort(arraynumber,0,len-1);for(j=0;j
     

每周一练，day day  up！