Daniel Chiu

• Username: 7★waterfalls
• Country:  United States
• Student/Professional:Student
• Institution:Catlin Gabel School Portland, OR 97225, United States
• 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: 14

Current Ratings Graph Old Ratings Graph

2710 (+61)RatingProvisional
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April Lunchtime 2016(2016-04-30 22:40:00)

Global Rank:   2

Cheated in:   

Ratings System Update

(2016-04-30 22:40:00)

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2710 (-43)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2016(2022-12-20 00:00:00)

Global Rank:   2

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 (14)

March Challenge 2015

Chef and Notebooks, Count Substrings, Sign Wave, Devu and his Class

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales

May Challenge 2015

Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Balanced Strings, Chef and Cake

June Challenge 2015

Steady tables, Chef and Polygons, Chef and Memory Limit, Chef and His Friend

November Challenge 2015

Nikitosh and Sauron-tetrahedron, Ingredients, Receipt Recovery, Chef and collection of stamps, Eugene and function, Simple Sum, Chef and cakes, Period on tree, Scrabble on a Graph, Decompose the Tree

March Cook-Off 2015

How to Repaint a Fence, How to Minimize a String

September Mega Cook-Off 2015

Reign 2, Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015

Palindrome Pairs, Word Stem, Almost Sorted Permutation

November Cook-Off 2015

Sereja and Array and Subtracting, Sereja and Tree 2, Sereja and Tree, Sereja and Pairs, Sereja and Line

December Cook-Off 2015

Chef and Subarrays, Chef and Queries, Chef and LCS

December Lunchtime 2015

Computer Network, Distinct Codes, Buying Seedlings, Ancient Berland Roads

April Cook-Off 2016

Movie Weekend, Odd Divisors, Queries on a Binary Tree, LCP Maximization

January Lunchtime 2016

Peaks, Exponential Sub-Palindromes, Table Covering, Triangle Classification

April Lunchtime 2016

Maximum K Sums, Tree Coloring, Tree Labelling, Coins And Triangle

Total Problems Solved: 77