9X2 SPD

• Username: 6★spd_9x2
• Country:  Japan
• Student/Professional:Student
• Institution:Keio University, Japan
• 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: 24

Current Ratings Graph Old Ratings Graph

2367 (+7)RatingProvisional
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Starters 98 Division 1 (Rated till 6 Stars)(2023-07-12 22:30:00)

Global Rank:   33

Cheated in:   

Ratings System Update

(2023-07-12 22:30:00)

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2360 (+72)RatingProvisional
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July Cook-Off 2022 Division 1 (Rated)(2022-12-20 00:00:00)

Global Rank:   116

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

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Contests (24)

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Maximise Function, Highest Divisor

February Lunchtime 2021 Division 3

Daanish and Problems, Average Sorting, Palpal Strings, Smallest Possible Whole Number, Coprime Range

March Challenge 2021 Division 2

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

March Lunchtime 2021 Division 2

Dinner by Candlelight, Racing, Uniform, Lunchtime

April Lunchtime 2021 Division 2

A Special Tree, Chef in Heaven , Bench Press, Array Rotation

May Cook-Off 2021 Division 1

Permutation Swaps, Falling Zero, Double Burgers

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

June Cook-Off 2021 Division 1

Binary String on Steroids

June Lunchtime 2021 Division 1

From Rational to Binary, Richie Rich, Tic Tac Toe

July Cook-Off 2021 Division 1

Mod Equality, Hidden Colored Graph

CodeChef Starters 6 Division 1 (Unrated)

Joker and Batman, Chefs Homework Dilemma, Even tuples, Palindromic number, Three Dices, Cricket Ranking

August Challenge 2021 Division 1 (Unrated)

Special Triplets, Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 1

Bunny Hops, Just a Graph, Longest Spanning Substrings

CodeChef Starters 9 Division 1 (Unrated)

Friend Groups In A Line, Black cells in a chessboard, Large Square, Bus full of passengers, Fibonacci concatenation, India Fights Corona

AlgoManiac - Code For Future Division 1 (Unrated)

The Old Saint And Three Questions

September Cook-Off 2021 Division 1

Chess Kings Chasing Game, Chef and Pairwise Distances, Permutation and GCD Set, Half Sequence, Fake Swaps

SnackDown 2021 - Online Qualifiers

Lucky Number

September Lunchtime 2021 Division 1

Alice vs Bob Faceoff

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Random Convex Hull, Graduate Work Matters, Sorting Segments

CodeChef Starters 20 Division 1 (Unrated)

Brutal-Xors

December Lunchtime 2021 Division 1

In-tree-active Node Coloring, Optimal Sorting, Romantic Reversals, Sleep Technique

CodeChef Starters 24 Division 1 (Unrated)

Anti Palindrome, Avoid Contact, Badminton Serves, Divisors and Reciprocals, Yet Another Constructive Problem, EVM Hacking

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

April Cook-Off 2022 Division 1

Chef Goes Shopping

May Cook-Off 2022 Division 1 (Rated)

Split Powers Of 2, Different Subarrays Rearrange, Triple Inversions

July Cook-Off 2022 Division 1 (Rated)

Partition Queries, Segmentation Fault

June Cook-Off 2022 Division 1 (Rated)

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

Starters 98 Division 1 (Rated till 6 Stars)

3-Blast Palindrome, Happiness , Build Towers, Ball Distribution

Total Problems Solved: 120