Kuldeep Singh Dahiya

• Username: 4★pseudo_nymous
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kanpur
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 28

Current Ratings Graph Old Ratings Graph

1934 (+34)RatingProvisional
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Starters 61 Division 2 (Rated)(2022-10-19 23:00:02)

Global Rank:   259

Cheated in:   

Ratings System Update

(2022-10-19 23:00:02)

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1934 (-41)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 61 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   259

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 (28)

December Challenge 2019 Division 2

That Is My Score!, Plus Multiply

January Challenge 2020 Division 2

Chef and Dynamo, Breaking Bricks

February Challenge 2020 Division 2

School of Geometry, Hard Cash

March Challenge 2020 Division 2

Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Sell All the Cars, COVID Pandemic and Long Queue

June Challenge 2020 Division 2

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

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Chef and Wedding Arrangements, Smallest KMP, Another Card Game Problem, Insanely Hard School Exams, Chef and Linear Chess

October Challenge 2020 Division 1

Positive AND

November Challenge 2020 Division 2

Ada and Dishes

February Challenge 2021 Division 3

Maximise Function, Highest Divisor

May Challenge 2021 Division 3 (Rated)

Solubility, Golf, Modular Equation, Tic Tac Toe, Xor Equality

June Cook-Off 2021 Division 3

XOR Folding, ICPC Balloons, Chefland Visa, Binary String on Steroids, The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

September Cook-Off 2021 Division 2

Cars and Bikes, Adjacency Hatred, Fake GCD, Zebra Crossing, Fake Swaps

SnackDown 2021 - Online Qualifiers

Lucky Number

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

November Cook-Off 2021 Division 2

Product Pain, Missing Sums

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

CodeChef Starters 22 Division 2 (Rated)

Equal LIS, Elections in Chefland, Merging Binary Strings, Even Subset Xor, An Interesting Sequence, Equal Card Game

Infinity 2k21 Division 2 (Rated)

Marbles

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

Starters 48 Division 2 (Rated)

Fill The Grid, Accurate XOR, Positive array, Make Palindrome 2, Strict Permutation

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal, Queen Blocks

Starters 61 Division 2 (Rated)

Palindrome Partition, Minimise LCS, Weird Subarrays, Subarray Removal

Total Problems Solved: 252