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About
Coding enthusiast, Frontend web developer, familiar with JAVAand C language.
JECRC University 2024
Java - Default language
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Total problems solved
132
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Ronin
Topics
Stacks & Queues
Trees
Strings
+ 3 more
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Samurai
Topics
Arrays
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java solution
Interview problems

public class Solution {

public static void mirrorTree(BinaryTreeNode node) {

// Write your code here.

if(node==null) return;

if(node!=null){

BinaryTreeNode temp=node.left;

node.left=node.right;

node.right=temp;

}

mirrorTree(node.left);

mirrorTree(node.right);

}

}

Khushi2329
Published On 17-Sep-2023
14 views
0 replies
0 upvotes
java solution
Interview problems

public class Solution {

public static int[] searchRange(int []arr, int x) {

// Write your code here.

int ans[]=new int[2];

int fo=-1;

int lo=-1;

int s=0;

int l=arr.length-1;

int mid=0;

while(s<=l){

mid=(s+l)/2;

if(x>arr[mid]) s=mid+1;

else if(x<arr[mid]) l=mid-1;

else{

if(arr[s]==x&&arr[l]==x){

fo=s;

lo=l;

break;

}

else if(arr[s]==x){

fo=s;

l--;

}

else{

lo=l;

s++;}

}

}

ans[0]=fo;

ans[1]=lo;

return ans;

}

}

Khushi2329
Published On 13-Sep-2023
85 views
0 replies
0 upvotes