Abhi Valani

• Username: 5★unstoppable_17
• Country:  India
• Student/Professional:Student
• Institution:Nirma University Ahmedabad, Gujarat, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 31

Current Ratings Graph Old Ratings Graph

2012 (+42)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 56 Division 2 (Rated)(2022-09-14 23:00:02)

Global Rank:   50

Cheated in:   

Ratings System Update

(2022-09-14 23:00:02)

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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2012 (-5)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 56 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   50

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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Practice Paths (0)

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Contests (31)

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

November Challenge 2019 Division 2

Physical Exercise, Hard Sequence, Weapon Value

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Leaked Answers (Challenge)

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

March Cook-Off 2020 Division 2

Mysterious Sequence, Find Your Gift, Box of Chocolates

February Lunchtime 2020 Division 2

At the Gates

June Challenge 2020 Division 1

The Tom and Jerry Game!

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, 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, Smallest KMP, Chef and Wedding Arrangements

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies, Ratings and Rankings

January Challenge 2021 Division 2

Watching CPL, Fair Elections

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Multiple Games, Maximise Function

February Lunchtime 2021 Division 2

Average Sorting, Palpal Strings, Coprime Range

March Challenge 2021 Division 2

Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe

July Challenge 2021 Division 2 (Unrated)

XxOoRr

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation, Segmentation Fault

June Long Two 2022 Division 2 (Unrated)

Count the ACs, AP Grid, Reversal Sorting, Strong Elements

July Long One 2022 Division 2 (Unrated)

Largest Square in the garden, Journey of the Knight, Game of Piles Version 1, Find A, B, C, Slow Solution

Starters 46 Division 2 (Rated)

Prime Xor, Vowel Anxiety, Array sorting, Sort the String

Starters 47 Division 2 (Rated)

Copy and Push Back, Similar Heights, The XOR-OR Dilemma, End Sorted

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem, Consecutive XOR, Maximum Median Matching, Largest Family

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array

July Long Two 2022 Division 2 (Unrated)

Maximize Difference, Concat Sort, To Divide or Not To Divide, Sum of Product 1

Starters 49 Division 2 (Rated)

Students-Far From Hostel, Split The String, High Frequency, Monks, Valid Minimum

Starters 50 Division 1 (Unrated)

Air Blimp, Sum Product Segments, Add Subtract Equalize, Average Permutation

Starters 51 Division 1 (Unrated)

Adjacent Xors

August Lunchtime 2022 Division 1 (Rated)

Tree Coloring, Subtract 12 Operation

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal

Starters 54 Division 2 (Unrated)

Equal Distinct, K Flip

Starters 55 Division 2 (Rated)

Non Zero Xor, Ball Sequence, Balls and Boxes, Mean and Median, OR Tuples

Starters 56 Division 2 (Rated)

K-Subarrays, Binary Substitution, Maximize Colours

Total Problems Solved: 160