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标题：数据结构线性搜索程序

数据结构线性搜索程序

#include <stdio.h>

#define MAX 20

// array of items on which linear search will be conducted.
int intArray[MAX] = {1,2,3,4,6,7,9,11,12,14,15,16,17,19,33,34,43,45,55,66};

void printline(int count) {
   int i;

   for(i = 0;i < count-1;i++) {
      printf("=");
   }

   printf("=\n");
}

// this method makes a linear search.
int find(int data) {

   int comparisons = 0;
   int index = -1;
   int i;

   // navigate through all items
   for(i = 0;i < MAX;i++) {

      // count the comparisons made
      comparisons++;

      // if data found, break the loop
      if(data == intArray[i]) {
         index = i;
         break;
      }
   }   

   printf("Total comparisons made: %d", comparisons);
   return index;
}

void display() {
   int i;
   printf("[");

   // navigate through all items
   for(i = 0;i<MAX;i++) {
      printf("%d ",intArray[i]);
   }

   printf("]\n");
}

void main() {
   printf("Input Array: ");
   display();
   printline(50);

   //find location of 1
   int location = find(55);

   // if element was found
   if(location != -1)
      printf("\nElement found at location: %d" ,(location+1));
   else
      printf("Element not found.");
}

标题：数据结构线性搜索程序

数据结构线性搜索程序

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