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标题：数据结构合并排序程序

数据结构合并排序程序

#include <stdio.h>



#define max 10



int a[11] = { 10, 14, 19, 26, 27, 31, 33, 35, 42, 44, 0 };

int b[10];



void merging(int low, int mid, int high) {

   int l1, l2, i;



   for(l1 = low, l2 = mid + 1, i = low; l1 <= mid && l2 <= high; i++) {

      if(a[l1] <= a[l2])

         b[i] = a[l1++];

      else

         b[i] = a[l2++];

   }



   while(l1 <= mid)    

      b[i++] = a[l1++];



   while(l2 <= high)   

      b[i++] = a[l2++];



   for(i = low; i <= high; i++)

      a[i] = b[i];

}



void sort(int low, int high) {

   int mid;



   if(low < high) {

      mid = (low + high) / 2;

      sort(low, mid);

      sort(mid+1, high);

      merging(low, mid, high);

   } else {

      return;

   }   

}



int main() {

   int i;



   printf("List before sorting\n");



   for(i = 0; i <= max; i++)

      printf("%d ", a[i]);



   sort(0, max);



   printf("\nList after sorting\n");



   for(i = 0; i <= max; i++)

      printf("%d ", a[i]);

}

标题：数据结构合并排序程序

数据结构合并排序程序

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