C 语言实例 – 数组拆分与合并

#include <stdio.h>
 
int main() {
   int array[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
   int even[10], odd[10];
   int loop, e, d;
   
   e = d = 0;
   
   for(loop = 0; loop < 10; loop++) {
      if(array[loop]%2 == 0) {
         even[e] = array[loop];
         e++;
      }else {
         odd[d] = array[loop];
         d++;
      }
   }
      
   printf(" 原始数组 -> ");
   
   for(loop = 0; loop < 10; loop++)
      printf(" %d", array[loop]);
       
   printf("\n 偶数 -> ");
   for(loop = 0; loop < e; loop++)
      printf(" %d", even[loop]);   
 
   printf("\n 奇数 -> ");
   for(loop = 0; loop < d; loop++)
      printf(" %d", odd[loop]);   
   
   return 0;
}

#include <stdio.h>
 
int main() {
   int array[10];
   int even[5] = {0, 2, 4, 6, 8};
   int odd[5]  = {1, 3, 5, 7, 9};
   
   int loop, index, e_len, o_len;
   
   e_len = o_len = 5;
   
   index = 0;
 
   for(loop = 0; loop < e_len; loop++) {
      array[index] = even[loop];
      index++;
   }
 
   for(loop = 0; loop < o_len; loop++) {
      array[index] = odd[loop];
      index++;
   }
 
   printf("\n偶数 -> ");
   
   for(loop = 0; loop < e_len; loop++)
      printf(" %d", even[loop]);
   printf("\n奇数  -> ");
   
   for(loop = 0; loop < o_len; loop++)
      printf(" %d", odd[loop]);
 
   printf("\n合并后 -> ");
   
   for(loop = 0; loop < 10; loop++)
      printf(" %d", array[loop]);
   
   return 0;
}