mirror of
https://github.com/TheAlgorithms/C
synced 2024-11-29 16:53:12 +03:00
49 lines
717 B
C
49 lines
717 B
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#define len 5
|
|
|
|
|
|
int binarySearch(int array[], int leng, int searchX)
|
|
{
|
|
int pos = -1, right, left, i = 0;
|
|
|
|
left = 0;
|
|
right = leng - 1;
|
|
|
|
while(left <= right)
|
|
{
|
|
pos = left + (right - left) / 2;
|
|
if(array[pos] == searchX)
|
|
{
|
|
return pos;
|
|
}
|
|
else if(array[pos] > searchX)
|
|
{
|
|
right = pos - 1;
|
|
}
|
|
else
|
|
{
|
|
left = pos + 1;
|
|
}
|
|
}
|
|
return -1; /* not found */
|
|
}
|
|
|
|
|
|
void main(int argc, char *argv[])
|
|
{
|
|
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);
|
|
}
|
|
|
|
|
|
}
|