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binary search using recursion

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Clear Cod answered on January 4, 2022 Popularity 1/10 Helpfulness 1/10

answer binary search using recursion

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binary search using recursion

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function search(num, t, l, r) {
  if (l > r) return -1;

  let mid = ((l + r) / 2) >> 0;

  if (t === num[mid]) return mid;

  if (t < num[mid]) {
    return search(num, t, l, mid - 1);
  } else {
    return search(num, t, mid + 1, r);
  }
}

let arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];

console.log(search(arr, 4, 0, arr.length - 1));
console.log(search(arr, 9, 0, arr.length - 1));
console.log(search(arr, 11, 0, arr.length - 1));

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: bronotes.super.site

Tags: binary-search javascript recursion using

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Contributed on Dec 31 2024

Clear Cod

0 Answers Avg Quality 2/10

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recursive binary search

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int binarySearch(int[] A, int low, int high, int x)
{
    if (low > high) {
        return -1;
    }
    int mid = (low + high) / 2;
    if (x == A[mid]) {
        return mid;
    }
    else if (x < A[mid]) {
        return binarySearch(A, low,  mid - 1, x);
    }
    else {
        return binarySearch(A, mid + 1,  high, x);
    }
}

Popularity 10/10 Helpfulness 5/10 Language cpp

Source: iq.opengenus.org

Tags: binary-search bi

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Contributed on Jan 04 2022

Friendly Falcon

0 Answers Avg Quality 2/10

vscode tab not working

Comment

Windows: Ctrl + M
Mac: Cmd + Shift + M

Caused by VSCode's 'editor.action.toggleTabFocusMode' setting.

Popularity 9/10 Helpfulness 5/10 Language whatever

Source: stackoverflow.com

Tags: whatever whateve

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Contributed on Apr 04 2023

Scythern

0 Answers Avg Quality 2/10

Code of recursive binary search

Comment

# Code recursive binary search.
def binarySearchAlgorithm(arr, l, r, x):
	if r >= l:
		mid = l + (r - l) 
		if arr[mid] == x:
			return mid
		elif arr[mid] > x:
			return binarySearch(arr, l, mid-1, x)
		else:
			return binarySearch(arr, mid + 1, r, x)
	else:
		return -1
arr = [3, 43, 56, 96]
find = 56
result = binarySearchAlgorithm(arr, 0, len(arr)-1, find)
if result != -1:
	print("Element is present at index % d" % result)
else:
	print("Element is not present in array")

Popularity 9/10 Helpfulness 3/10 Language python

Source: softhunt.net

Tags: binary-search bi

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Contributed on Apr 10 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

C++, binary search recursive

Comment

class Solution {
public:
    int search(vector<int>& nums, int target) {
        int ret = 0;
		
        if (nums.size() == 0)
            return -1;
  
        if (nums[nums.size()/2] < target) {
            vector<int> halfVec(nums.begin()+nums.size()/2+1,nums.end());
            auto retIdx = search(halfVec,target);
            if (retIdx == -1) return -1;
            ret += retIdx +  nums.size()/2+1;
        } else if (nums[nums.size()/2] > target) {
            vector<int> halfVec(nums.begin(),nums.begin()+nums.size()/2);
            ret = search(halfVec,target);
        } else {
            ret = nums.size()/2;
        }
         
        return ret;
        
    }
};

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: leetcode.com

Tags: binary-search bi

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Contributed on Jun 12 2022

Mib

0 Answers Avg Quality 2/10

spring dialect for xml file

Comment

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN"
        "http://www.springframework.org/dtd/spring-beans-2.0.dtd">

<beans>

<!-- bean definitions here -->

</beans>

Popularity 1/10 Helpfulness 1/10 Language java

Source: docs.spring.io

Tags: dialect file for-xml java spring

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Contributed on Dec 29 2024

Thoughtless Tern

0 Answers Avg Quality 2/10

vscode tab not working

Comment

You have enabled the Tab Moves Focus -mode. Press Ctrl + M to disable the mode.

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: superuser.com

Tags: whatever

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Contributed on Dec 29 2024

Bonzu Pippinpaddleopsicopolis III

0 Answers Avg Quality 2/10

binary search using recursion

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