100-PROBLEM MASTERY PATH

Problem Library

Master one programming pattern at a time, follow a preparation track, or open a transparent company-focused collection.

MY SCORE0
BUILD YOUR PRACTICE PATH

Find the right problems

Choose a C topic and practise its patterns in increasing difficulty.

YOUR PRACTICE SET

Choose filters to begin

0matching problems
</>

Build a focused practice set

Problems will appear here only after you choose your learning path and select Load problems.

PREPARATION TRACK GUIDE

Choose by hiring pattern

Company patterns can vary by role and recruitment drive. Use these tracks for preparation, then verify the latest job notification.

01

General Campus Placement

Balanced fundamentals and standard programming tasks when the target role is not fixed.

02

Foundation & High-Volume Hiring

Input/output, tracing, strings, arrays, debugging and dependable easy-to-medium coding.

03

Product Engineering & DSA

Data structures, algorithms, optimisation, complexity and edge-case reasoning.

04

Data, AI & Analytics

Arrays, matrices, statistics, data processing and numerical correctness.
PLACEMENT RANKING

Leaderboard

Aliases protect student identity. Points use each student's best accepted result per problem.

RankStudentSolvedPoints