TheAlgorithms-C/searching/Other_Binary_Search.c

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#include <stdio.h>
#include <stdlib.h>
#define len 5
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int binarySearch(int array[], int leng, int searchX)
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{
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int pos = -1, right, left, i = 0;
left = 0;
right = leng - 1;
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while(left <= right)
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{
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pos = left + (right - left) / 2;
if(array[pos] == searchX)
{
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return pos;
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}
else if(array[pos] > searchX)
{
right = pos - 1;
}
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else
{
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left = pos + 1;
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}
}
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return -1; /* not found */
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}
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void main(int argc, char *argv[])
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{
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int array[len] = { 5, 8 , 10 , 14 ,16 };
int position;
position = binarySearch(array, len, 5);
if (position < 0)
printf("The number %d doesnt exist in array\n", 5);
else
{
printf("The number %d exist in array at position : %d \n", 5, position);
}
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}