#include 
     
      using namespace std;void print(int a[],int len){    for(int i=0;i
      
       =h)        return;    int m=(h+l)/2;    mergeSort(a,l,m);    mergeSort(a,m+1,h);    merge(a,l,m,h);}int main(){     int a[]={
   1,3,5,7,9,2,4,6,8,10,11,43,4,4,6,78,31,124};//    int a[2]={2,1};    int len=sizeof(a)/sizeof(int);    print(a,len); //   merge(a,0,4,9);   mergeSort(a,0,len-1);    print(a,len);    getchar();   return 0;}