Jobra
🐞Step 1 of Jobra:AI Debugging Rounds
DSA+AIPreparing you for both.
JOBRA · AI DEBUG ROUND (PREVIEW)sum.cpp
// buggy snippet
int total(vector<int>& a, int n) {
    int sum = 0;
    for (int i = 0; i <= n; i++) { // 🐞        sum += a[i];
    }
    return sum;
}
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Prompt:Correct the loop condition
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CodinzHub

Interview preparation blog

Completed
0of 6 articles
Start readingCodinzHub Premium Explained: Free CTC Data, CGPA Cutoffs and PYQs6 min read
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CodinzHub Guide6

CodinzHub Guide

How CodinzHub Works: Coins, Referrals and Unlocking Questions

CodinzHub is a completely free coding-interview prep platform built on real online assessments and interview experiences shared by college students. Students from IITs, NITs, IIITs, BITS, Manipal and many more institutes use it to find company-wise OA questions, interview experiences and placement data. This guide explains how the coin system works, the free ways to earn coins, where your balance lives, and how the Premium pages fit in — including the CGPA cutoffs, CTC data and previous-year questions they hold.

3 min
CodinzHub Guide

Contribute an Interview Experience That Gets Approved

Every interview experience on CodinzHub was written by a student who went through the process. A good write-up helps the next batch and earns you coins; a vague one gets sent back. This guide shows the exact structure that gets approved, the rewards for each tier, and the mistakes that slow review down.

3 min
CodinzHub Guide

Using the Requests Page to Get the OA You Need

Can't find the OA or interview round for the company you are targeting? The [Requests page](https://www.codinzhub.com/requests) lets you ask the community for it, and lets you earn coins by answering other people's requests. This guide covers what a request costs, how to word one so it actually gets fulfilled, and when to check the library instead.

2 min
CodinzHub Guide

Signing Up with a College Email: Fixing "Domain Not Verified"

CodinzHub is currently open to college students, so accounts are created against a college email domain. If you see a domain error while signing up, this is usually the reason — and it is fixable in under a minute. Here is the exact checklist, plus what to do when your institute's domain is genuinely missing.

Beginner2 min
CodinzHub Guide

Explore CodinzHub: Every Page, Company and Shortcut

A practical map of codinzhub.com, a completely free platform for college students: where to practise, where to research a company, where your coins go, and what is on the free Premium pages (college-wise CTC data, CGPA cutoffs and PYQs). Every link below opens the live site, and the blog links jump to the deeper guides.

2 min
CodinzHub Guide

CodinzHub Premium Explained: Free CTC Data, CGPA Cutoffs and PYQs

CodinzHub Premium is the placement and resource layer of a completely free platform. The whole website is free — there is no subscription and no paid plan anywhere. Premium holds college-wise placement data with CTC, company CGPA criteria and OA patterns for the 2026 batch, plus a PYQ bank covering 350+ companies. Across the platform the combined library has more than 2,000 OA questions and interview experiences. This guide shows what lives where, and how to read each number honestly.

6 min