jaanso

• Username: 2★nullpointer_de
• Country:  India
• Student/Professional:Student
• Institution:JC Bose University Of Science And Technology,YMCA Faridabad, Haryana, 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: 40

Current Ratings Graph Old Ratings Graph

1586 (-31)RatingProvisional
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Starters 177 (Rated)(2025-03-12 22:00:02)

Global Rank:   1449

Cheated in:   

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(2025-03-12 22:00:02)

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1617 (+10)RatingProvisional
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September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)(2022-12-20 00:00:00)

Global Rank:   75

Cheated in:   

Ratings System Update

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

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Contests (40)

February CodeChef Starters 2021 Division 3 (Rated)

Chef and Coupon

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait

April Challenge 2021 Division 3

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

April Cook-Off 2021 Division 3

Passing Marks, Chocolate Monger

May Challenge 2021 Division 3 (Rated)

Xor Equality, Solubility

June Challenge 2021 Division 3 (Rated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat, Minimum Subtree Cover

June Lunchtime 2021 Division 2

False Number, Unpleasant Ones

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

October Cook-Off 2021 Division 2

Odd Sum

October Lunchtime 2021 Division 2

Alternating Work Days, Chef and Water Car, Exactly N plus 1 Values, Problem Category

November Challenge 2021 Division 2 (Unrated)

Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper, Maximise the bridges

November Cook-Off 2021 Division 2

Missing Sums

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, New Piece

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night, The One with All the Candy

FizzBuzz Division 3 (Rated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach, Can You Eat It

November Lunchtime 2021 Division 2

Expected Weight, Rapid Re-Orderings

April Long One 2022, Division 3 (Rated)

Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , The Cooler Dilemma 2, Pairwise Xors

CodeChef Starters 34 Division 3 (Rated)

Is the Score Consistent, Good Quality Bulbs, Positive Products, Good Permutation

April Lunchtime 2022 Division 3(Rated)

Mario and Bullet, Pair Pain, Palindrome Pain

Starters 37 Division 3 (Rated)

Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum

July Cook-Off 2022 Division 3 (Rated)

Permutation And Median, High Accuracy

Starters 41 Division 3 (Rated)

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

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

Starters 42 Division 2 (Rated)

Minimum or Maximum, Divisible by 3

Starters 44 Division 3 (Rated)

Dense Bracket Sequence, Jogging

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, XOR Times 2 Is Sum

July Lunchtime 2022 Division 3 (Rated)

The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family

September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)

Flip the cards, Equalize AB, Stick Break, Permutation Creation

Starters 57 Division 3 (Rated)

Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes

Starters 75 Division 2 (Rated)

Prefix Ones, Three Powers of Two

Starters 152 (Rated)

Maximize Hamming Distance, Range Minimize

Starters 153 (Rated)

Make Arithmetic Progression, Butterfly, Another Game, Colorful Tree (Easy Version)

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 158 (Rated)

Multiply 2 to Minimize, Even vs Odd Divisors

Starters 159 (Rated)

Super Hero, Random Nim, Elections, Card Game

Starters 165 (Rated)

Stable Array, Bulk Discount

Starters 166 (Rated)

Distinct Power, Chefland Library, Christmas Gifts

Starters 171 (Rated)

Swish Game, White Wall, Volcanic Eruption

Starters 177 (Rated)

Ordered Distances, 2 Boxes

Total Problems Solved: 156