The Ultimate Stealth Coding Assistant

Crack coding rounds with AI-powered code generation, smart debugging, and seamless problem-solving.

// Binary Search Tree Implementation
class TreeNode {
val: number;
left: TreeNode | null;
right: TreeNode | null;
}
// Quick Sort Algorithm
function quickSort(arr: number[]): number[] {
if (arr.length <= 1) return arr;
const pivot = arr[Math.floor(arr.length / 2)];
const left = arr.filter(x => x < pivot);
const right = arr.filter(x => x > pivot);
return [...quickSort(left), pivot, ...quickSort(right)];
}
// Graph Traversal - BFS
function bfs(graph: Map<number, number[]>, start: number) {
const visited = new Set<number>();
const queue = [start];
visited.add(start);
while (queue.length > 0) {
const node = queue.shift()!;
for (const neighbor of graph.get(node) || []) {
if (!visited.has(neighbor)) {
visited.add(neighbor);
queue.push(neighbor);
}
}
}
}
BST
DFS
O(n)
Hash

XTENSION Application

Queue
Solutions
Debug
Auto Mode
XTENSION - Queue View

Two Sum

Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.

You may assume that each input would have exactly one solution, and you may not use the same element twice.

Input: nums = [2,7,11,15], target = 9

Output: [0,1]

Ready to capture
Auto Solve

Problem detected - capturing screenshots automatically...

Best Stealth Coder

Crack your dream job with XTENSION

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Keyboard Shortcuts

Master XTENSION with these essential keyboard shortcuts for lightning-fast productivity

Take a screenshot

Ctrl+H

Process screenshots

Ctrl+Enter

Delete last screenshot

Ctrl+L

Toggle window visibility

Ctrl+B

Reset view and clear queues

Ctrl+R

Quit application

Ctrl+Q

Move window

Ctrl+
///

Adjust window opacity

Ctrl+
[/]

Zoom controls

Ctrl+
-/=/0

Pro tip: These shortcuts work globally when XTENSION is running

over
12.5
k
downloads worldwide
trusted by
8.9
k
active developers
generated
3
M+
lines of code
supports
15
programming languages

Choose Your XTENSION Plan

Token-based pricing for maximum flexibility. 1 token = 1 problem solved. Debugging costs 1 token per debug session.


Free

Perfect for trying out the application with limited usage

0

1 token included. No debugging support.


  • 1 token included
  • 1 problem solved
  • No debugging support
  • Basic AI assistance
  • Community support

Basic

Best for getting used to the application and beginning users

1999
one-time paymentplus local taxes

21 tokens included. Most popular choice.


  • 21 tokens included
  • 21 problems solved
  • 21 debug sessions
  • All programming languages
  • Priority support
  • Advanced AI features

Pro

For power users who need more tokens for extensive development work

4999
one-time paymentplus local taxes

50 tokens included. Best value for heavy usage.


  • 50 tokens included
  • 50 problems solved
  • 50 debug sessions
  • All programming languages
  • Priority support
  • Advanced debugging tools
  • Custom integrations
  • Stealth mode

Frequently Asked Questions

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