C Program For Binary Search | C Programming

C Program For Binary Search

#include<stdio.h>

int main()
{
    int a[100],i,n,item,flag=0,low,high,mid,j,temp;
    printf("How many numbers\n");
    scanf("%d",&n);
    printf("Enter the value in array:-\n");
    for(i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
    }
    for(i=0;i<n-1;i++)
    {
        for (j=i+1;j<n;j++)
        {
            if(a[i]>a[j])
            {
                temp=a[i];
                a[i]=a[j];
                a[j]=temp;
            }
        }
    }
    printf("Enter item to be searched:\n");
    scanf("%d",&item);
    low=0;
    high=n-1;
    do
    {
        mid=(low+high)/2;
        if(item>a[mid])
        {
            low=mid+1;
            flag=0;
        }
        else if (item<a[mid])
        {
            high=mid-1;
            flag=0;
        }
        else
        {
            flag=1;
            break;
        }
    }
    while(item!=a[mid]&&low<=high);
    if(flag==1)
        printf("\nItem found");
    else
        printf("\nItem not found");
    return 0;
}

OUTPUT

C Program For Binary Search

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