Raun

• Username: 4★raun1codechef3
• Country:  India
• Student/Professional:Professional
• Organisation:NA
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 35

Current Ratings Graph Old Ratings Graph

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Starters 77 Division 2 (Rated)(2023-02-15 23:00:02)

Global Rank:   63

Cheated in:   

Ratings System Update

(2023-02-15 23:00:02)

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1860 (-115)RatingProvisional
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September Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   523

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

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Learning Paths (0)

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Practice Paths (0)

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Contests (35)

February Challenge 2015

Chef and Chain, Let us play with rank list, Chef and Equality

August Challenge 2015

Cooking Machine, Aditi and Magic Trick

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Rupsa and Equilateral Triangle

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Challenge 2016

Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Keyboard, Chef and Three Dogs

January Challenge 2017

Capital Movement, Cats and Dogs

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Max Mex, A Balanced Contest

November Challenge 2017

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out

June Cook-Off 2017

Ada and crayons, SnackUp

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function

August Cook-Off 2017

Game on Stick, Matrix and Chef, Real obtuse, From heaven to earth

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

July Lunchtime 2017

Find the Maximum Value

January Challenge 2018

Maximum Score, Rectangle

June Challenge 2018 Division 2

Sheokand and String, Binary Shuffle, Naive Chef

August Challenge 2018 Division 2

Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Triple Sort, Sorting Vases, Coronavirus Spread, Isolation Centers

June Challenge 2020 Division 1

The Tom and Jerry Game!, Covid Sampling (Challenge)

July Challenge 2020 Division 1

Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef

August Challenge 2020 Division 1

Insanely Hard School Exams, Smallest KMP

September Challenge 2020 Division 1

Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship

Starters 77 Division 2 (Rated)

Concat Palindrome, K Increment Palindrome, Three Numbers

Total Problems Solved: 140