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Master Coding Interviews Like a Pro

Simulate real tech interviews with no autocomplete, no syntax highlighting—just raw coding skills.

50K+
Developers
92%
Success Rate
4.9★
Rating

Why Top Engineers Choose RawCode

The most realistic interview simulator trusted by engineers at top tech companies.

Most Popular

Real Interview Simulator

Code in a barebones editor—just like real interviews at top tech companies.

Performance Analytics

See where you struggle compared to top engineers.

New

Time Pressure Mode

Simulate real interview time constraints.

Your Coding Dashboard

24
Problems Solved
87%
Success Rate
15
Day Streak

Recent Activity

  • Solved "Two Sum"

    Completed in 12 minutes with optimal solution

    2 hours ago

  • Time Challenge

    Completed 3 problems under time pressure

    Yesterday

  • New Achievement

    Reached Top 10% in Weekly Leaderboard

    2 days ago

Skill Progress

Data Structures 78%
Algorithms 65%
System Design 42%
Problem Solving 89%

Today's Challenge

7-day streak

Binary Tree Right Side View

Medium Difficulty

Given the root of a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom.

Daily Progress 65% complete

Complete today's challenge to maintain your streak and earn bonus points!

Practice Real Interview Questions

Work through carefully curated problems that match real interview questions.

// Problem: Binary Tree Right Side View
// Given the root of a binary tree, imagine yourself standing on the right side of it
function rightSideView(root) {
if (!root) return [];
const result = [];
const queue = [root];
while (queue.length) {
const levelSize = queue.length;
for (let i = 0; i < levelSize; i++) {
const node = queue.shift();
if (i === levelSize - 1) {
result.push(node.val);
}
if (node.left) queue.push(node.left);
if (node.right) queue.push(node.right);
}
}
return result;
}

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