Neal Wu

• Username: 7★neal
• Country:  United States
• Student/Professional:Professional
• Organisation:Ramp Financial
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

3003 (+31)RatingProvisional
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Starters 115 Division 1 (Rated)(2024-01-03 22:30:00)

Global Rank:   3

Cheated in:   

Ratings System Update

(2024-01-03 22:30:00)

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June Lunchtime 2022 Division 1 (Rated)(2022-12-20 00:00:00)

Global Rank:   7

Cheated in:   

Ratings System Update

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (20)

July 2009 (Contest V)

Lights Off, Quadratic Equations, The White Knight, Buggy algorithm, Johny the farmer, Lights Off, Revisited!, Sums in a cuboid

August 2009 (Contest VI)

Magic sequence, Bytelandian Robots, Curry Stained Napkin, Golf course, Crystals, Divide and conquer

September 2009 (Contest VIII)

Alien language, Mosaic

October 2009 (Contest IX)

Just a simple sum, Kayaks

January Cook-Off 2021 Division 2

Mex Subsequence, Not Too Colourful, Prime Tuples, Maximise Islands, Prefix And, Equal Gifts

December Lunchtime 2020 Division 1 (Unrated)

K-Tuple Tree, Even Sequence, Three Letters, XOR-ed Palindromes, One Zero Swaps

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Cheapest Travel Plan, Shifting Spoons, Dreams of Divisibility, Even Sum

November Cook-Off 2020 Division 2

Xor Counting, Flip the String, Chef and IPC Certificates, Graph Construction, Set Queries, Hiring Workers

March Cook-Off 2021 Division 1

Consecutive Deletions, Water Transfer, Sort String, Chef and Sorting

March Lunchtime 2021 Division 1

Node Codon, Uniform, Binary Game, Lunchtime, Prime Cycle, Gamer

April Cook-Off 2021 Division 1

Array and Operations, Tree Distances, OR of ANDs, Valet Parking, Deletion Sort

August Cook-Off 2021 Division 1

Odd Array, Different String, Chef 2 Chef, Interactive Equivalency, Clear the Array, Construct a String

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Insider Subsequences, Queens Placement , Largest Laddu, Help Nishant

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1

SnackDown 2021 - Online Elimination Round (Rated for all)

Random Convex Hull, Graduate Work Matters, Sorting Segments, Sorter Prodigy

November Lunchtime 2021 Division 1

Min-Fund Country, Min-Max Rotations, Permutation Pairs, Subarray Jumps

December Cook-Off 2021 Division 1

Binary String Game, Destructive Nim, Ticket Machine, RGB Construction, Break the Balance

January Lunchtime 2022 Division 1

Circular Permutation Recovery, Permutation XOR Sum, Permutation Deletion, Divisible Distances

March Cook-Off 2022 Division 1

Secret Tree, Powers of 2, Dragonado And XOR, Flippable Points, Oh I Dont Care, Alternating Divisibility

April Cook-Off 2022 Division 1

Chef Goes Shopping, Sorted Distances, Distinct Integers, Sequence Cost, Max LCA Sum

May Lunchtime 2022 Division 1 (Rated)

Balanced 0-1 Tree, Equal After And, Rearrange Ranges, Smallest Element In Progression

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, SPLIT With XOR Not X, Increase to Zero

Starters 102 Division 1 (Rated till 6 Stars)

Chess ELO, Parity Permutation, Circular Trouble, Light The Bulb, Chef Segment, Bit Play

Starters 105 Division 1 (Rated till 6 Stars)

Ghoul-icious Goodies, Reaper Reaps, Racing Dead, Spooky Sequences, Ghastly Work, Dull Operation, Wishcraft

Starters 115 Division 1 (Rated)

Delete The Array, Subtraction Sequence I, Subtraction Sequence II, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, Counting Is Fun

Total Problems Solved: 157