CodeChef Logo CodeChef Logo
Courses

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

Explore courses

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.

Other Courses

Explore courses
Practice Compete Compiler

Courses

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

Explore courses

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.

Other Courses

Explore courses
Practice Compete Compiler
Home » Rajat Upadhyay
user profile

Rajat Upadhyay

  • 3★rajatupadhyay9
  •   India
  • Student
  • GL Bajaj Institute of Technology and Management Greater Noida, Uttar Pradesh, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 36
1657 (+19)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 48 Division 2 (Rated)(2022-07-20 23:00:02)
Global Rank:   984
Cheated in:   

Ratings System Update

(2022-07-20 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?
1657 (-136)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 48 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   984
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 (0)

Practice Paths (1)

learn-icon

Practice for ZCO and INOI

1%

Contests (36)

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

May Lunchtime 2020 Division 2

Weird Walk

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess

July Lunchtime 2020 Division 2

Chef and Steps

June Cook-Off 2020 Division 2

Cache Hits, Max Mex

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

April Challenge 2021 Division 3

Chef and Dice, Valid Pair, World Record, Strong Language

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Bella ciao, Summer Heat

June Cook-Off 2021 Division 3

XOR Folding, ICPC Balloons, Chefland Visa, The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination

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 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, New Piece

December Challenge 2021 Division 2 (Unrated)

List of Lists

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, ChefWM, And Or Union

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

February Long 2022 - I, Division 2 (Unrated)

Binary Base Basics, N Queens Puzzle Solved !

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, K Distinct Array, Points and Lines

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, The product mystery

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, Sign Moves, Mexy Array, The Unchanging OR

Starters 35 Division 3 (Rated)

Dark Light, Police and Thief

Starters 36 Division 3 (Rated)

Buying Sweets, Presents for Cheffina, Chef and Bird farm

April Long Two 2022 Division 3 (Rated)

Geometric Mean Inequality, Sasta Shark Tank, Akash and Equal Mean, Best Coupon, Pseudo Sorted Array

Starters 39 Division 2 (Rated)

Compress the Video, Minimize Blocked Roads, Closest Vowels, Even Subarray XOR

Starters 41 Division 2 (Rated)

Equal Integers, Remove and Add, Is this priority or parity!, Path Parity

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

Starters 43 Division 2 (Rated)

The Optimal Pairs, Distinct Palindrome

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array

Total Problems Solved: 197

1657
(Div 2)
★★★
CodeChef Rating (Highest Rating 1711)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Recent Activity

Fetching recent activity

Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
Find us online

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Contact us
Privacy Policy
Frequently Asked Questions

© 2026 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.