RISHAB RAJ

• Username: 4★rishab_28
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Bhagalpur Bihar, India
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 24

Current Ratings Graph Old Ratings Graph

1858 (+19)RatingProvisional
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Starters 157 (Rated)(2024-10-23 22:00:02)

Global Rank:   355

Cheated in:   

Ratings System Update

(2024-10-23 22:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1630 (-96)RatingProvisional
Rating i Provisional Rating, click to know more

April Cook-Off 2022 Division 3(2022-12-20 00:00:00)

Global Rank:   282

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)

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Contests (24)

CodeChef Starters 27 Division 4 (Rated)

Get Lowest Free, Distinct Binary Strings, The product mystery, Blackjack, Too many items, Shopping Change

February Cook-Off 2022 Division 4

Guess the bottom face, Lazy Salesman, Peaceful Party, Complete the credits

February Lunchtime 2022 Division 4

Good Program, Battery Low, Watching Movies at 2x, Chessboard Distance

CodeChef Starters 28 Division 4 (Rated)

Chef and Instant Noodles, Count the Holidays, Qualify the round, Car Choice, Self Defence Training, Permutation Xority

March Long One 2022, Division 3 (Rated)

Wordle, Exact Marks, Akash and Missing Class, Akash and Function, Substring of a Substring

CodeChef Starters 29 Division 3 (Rated)

String protocol, Bomb the base

March Long Two 2022, Division 3 (Rated)

Chef and Races, Missing Numbers, The Rating Dilemma, Same Parity Swaps in Binary Strings

CodeChef Starters 30 Division 3 (Rated)

Chef and Water Bottles, Balanced Reversals, Swapping Chefs Way, Gift Shop and Coupon

March Cook-Off 2022 Division 3

Janmansh and Games, Janmansh at Fruit Market

March Lunchtime 2022 Division 3

Sad Splits, Minimum number of coins, Buy 2 Get 1 Free

CodeChef Starters 32 Division 3 (Rated)

Finding Shoes, Maximize the Minimum, Binary String Cost

April Cook-Off 2022 Division 3

Funny Hand, Sticks and Rectangles

Starters 40 Division 2 (Unrated)

Infinity Staircase

Starters 57 Division 2 (Unrated)

Maximum Expression, Even Splits, Two Different Palindromes

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal

Starters 90 Division 2 (Rated)

Crushed Apples and a Balance Scale, Anti Palindrome, Printing Binary Array

Starters 100 Division 2 (Rated)

Stamps 100, Ant

Starters 101 Division 2 (Rated)

Minimize Xor Difference, Warrior Chef, Lockpicking Chef

Starters 102 Division 2 (Rated)

Array Sum, Parity Permutation, Bit Play

Starters 103 Division 2 (Rated)

Unique xor, Divisible By 8, Dice Number

Starters 120 Division 2 (Rated)

Find Permutation , Count Subarrays, Sub or Swp

Starters 124 Division 2 (Rated)

Make It One, Swap and Unite, Table Strength, Binary Parity

Starters 125 Division 2 (Rated)

Bucket Game, Fake Certificate, Binary Minimal

Starters 126 Division 2 (Rated)

Freedom, Permutation Disturbance

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 157 (Rated)

Small, Smaller, Smallest, Unmedian, Not-too-far Replacement

Total Problems Solved: 104