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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

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Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

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Practice Compete Compiler
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  • 3★umang_955
  •   India
  • Student
  • National Institute of Technology, Jamshedpur Jharkhand, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 27
1723 (+3)RatingProvisional
Rating i Provisional Rating, click to know more
December Lunchtime 2021 Division 2(2021-12-25 23:00:02)
Global Rank:   1457
Cheated in:   

Ratings System Update

(2021-12-25 23:00:02)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?
1723 (-114)RatingProvisional
Rating i Provisional Rating, click to know more
December Lunchtime 2021 Division 2(2022-12-20 00:00:00)
Global Rank:   1457
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (1)

learn-icon

Learn Java

2%

Practice Paths (2)

learn-icon

Practice C++

16%
learn-icon

Practice Java

17%

Contests (27)

September Challenge 2020 Division 2

Ada Matrix, A Problem on Sticks

October Challenge 2020 Division 2

Covid Run, Chef and Easy Queries, Positive AND

November Challenge 2020 Division 2

Ada and Dishes

January Challenge 2021 Division 2

Fair Elections

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

December Cook-Off 2020 Division 2

Self-Destructing Strings, Minimum Attendance Requirement, Catch the Thief

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

November Lunchtime 2020 Division 2

Gasoline Introduction

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Watermelon

January Lunchtime 2021 Division 3 (Unrated)

Even Sum, Even Differences, Ashishgup and Interviews, Pair Me

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

May Cook-Off 2021 Division 2

The Last Problem

May Lunchtime 2021 Division 2

Charges, Total Components, Tom And Jerry 1

May CodeChef Starters 2021 Division 2 (Unrated)

Lazy Chef

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation

June Challenge 2021 Division 2 (Unrated)

Shortest Route, Bitwise Tuples

June Cook-Off 2021 Division 2

Binary String on Steroids, The Wave

June Lunchtime 2021 Division 2

Unpleasant Ones, From Rational to Binary, False Number

July Challenge 2021 Division 2 (Unrated)

Chef vs Bharat, Optimal Denomination, XxOoRr

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

August Challenge 2021 Division 2 (Unrated)

Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Travel Pass, Airline Restrictions, Shuffling Parities

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum

CodeChef Starters 12 Division 2 (Unrated)

Make it Divisible, Maximum Points

October Challenge 2021 Division 2 (Unrated)

MEX-OR, Longest AND Subarray

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Equal Coins

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence

November Lunchtime 2021 Division 2

Expected Weight, Strange Minimization, Rapid Re-Orderings

December Challenge 2021 Division 2 (Unrated)

List of Lists

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Romantic Reversals

Infinity 2k21 Division 2 (Rated)

Marbles, Dalgona Treat

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

Total Problems Solved: 359

1723
(Div 2)
★★★
CodeChef Rating (Highest Rating 1723)
  • Inactive Global Rank
  • Inactive Country Rank

Skill tests

100%

Getting started with Java

Attempted on November 2025
View skill tests

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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