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• Username: 6★x_arc
• Country:  Japan
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 17

Current Ratings Graph Old Ratings Graph

2422 (-9)RatingProvisional
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Starters 191 (Rated till 6 star)(2025-06-18 22:00:00)

Global Rank:   45

Cheated in:   

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(2025-06-18 22:00:00)

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2421 (+12)RatingProvisional
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September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)(2022-12-20 00:00:00)

Global Rank:   58

Cheated in:   

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

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Contests (17)

December Lunchtime 2021 Division 3

Chef and Vacation Transportation , Chef Loves 1010, Maximum Trio, Optimal Sorting, Romantic Reversals, Sleep Technique

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS, Prime Graph, Erase All But One

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

February Cook-Off 2022 Division 1

Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market, Slingshot

February Lunchtime 2022 Division 1

Chef Cooks Permutation, Visit Them All, Magical Modulo, Magnet Sort

CodeChef Starters 30 Division 1 (Unrated)

Squeeze OR, Minimum Coloring, Maximizing LIS, Gift Shop and Coupon, Prefix Suffix Operations, Unbalanced Reversals, Balanced Reversals

March Cook-Off 2022 Division 1

Secret Tree, Dragonado And XOR, Alternating Divisibility

CodeChef Starters 32 Division 1 (Unrated)

Maximize the Minimum, LR Shirts, Finding Shoes, Training Plans, Flip Sorting

April Cook-Off 2022 Division 1

Chef Goes Shopping, Sorted Distances

CodeChef Starters 33 Division 1 (Unrated)

Max BIT Sum, Stable Mex, Broken Life, Make Them Equal

CodeChef Starters 34 Division 1

Binary Mismatch, Binary String Xor, Count The Arrays, Lulymp, Good Permutation

April Lunchtime 2022 Division 1(Rated)

Modular Circular Permutations, Do Not Touch the MEX!!!, Secret Machine Mania

May Cook-Off 2022 Division 1 (Rated)

Different Subarrays Rearrange, Triple Inversions

May Lunchtime 2022 Division 1 (Rated)

Balanced 0-1 Tree, Equal After And

Starters 40 Division 1 (Unrated)

The Three Bogatyrs, Max Value of MST, 7th Love, Or Permutation, Good Pairs

July Cook-Off 2022 Division 1 (Rated)

Partition Queries, Segmentation Fault, Subsequence LCM

June Cook-Off 2022 Division 1 (Rated)

Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum

June Lunchtime 2022 Division 1 (Rated)

The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment, XOR, The Detective

July Lunchtime 2022 Division 1 (Rated)

Binary String Happiness, Consecutive XOR, Largest Family

Starters 52 Division 1 (Unrated)

Minimum Sum, K-Flip, Gritty Grid, Flipping Failure, Nil Xor

Starters 56 Division 1 (Unrated)

K-Subarrays, Energetic Node(Easy Version), Energetic Node(Hard Version), Palindrome Swaps, Binary Substitution

September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)

Increasing Addition

Starters 57 Division 1 (Unrated)

Delicious Queries, Maximum Expression, Two Different Palindromes

Starters 60 Division 1 (Unrated)

Distinct Numbers, Maximum Sum, Red Green Grids, Yet Another Palindrome Problem, Tri XOR

Starters 111 Division 1 (Rated till 6 Stars)

LCM Mania, Prefixing, Prime Range Game, Beautiful Strings, ODI Cricket

Starters 191 (Rated till 6 star)

Add 1 or 2, Coloured Array, Grid Path (Easy), Permuted Greater than 2

Total Problems Solved: 113