nguyen ngoc duong

• Username: 4★anhhungcolao
• Country:  Vietnam
• Student/Professional:Student
• Institution:FPT University, Vietnam Hanoi, Vietnam
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 38

Current Ratings Graph Old Ratings Graph

1955 (+69)RatingProvisional
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November Lunchtime 2019 Division 1(2019-11-30 22:30:00)

Global Rank:   13

Cheated in:   

Ratings System Update

(2019-11-30 22:30:00)

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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1955 (-128)RatingProvisional
Rating i Provisional Rating, click to know more

November Lunchtime 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   13

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 (38)

October Lunchtime 2013

Girl Friend and String Gift

November Challenge 2013

Uncle Johny

January Challenge 2014

Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback, Magic Trick

March Cook-Off 2014

Dividing Stamps

August Cook-Off 2014

Permutation Shuffle

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Walk, Mike and Stamps, Little Chef and Numbers, Team Split

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

July Challenge 2014

Dish Owner, Reach The Point, Count Substrings, Chef and Frogs, Garden Game, Chef and Rectangle Genome

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

June Lunchtime 2014

The Smallest Pair

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, Gcd Queries

April Challenge 2015

Broken Telephone, Chef and Interview

August Challenge 2015

Way Out, Devu And Churu , Cooking Machine

September Challenge 2015

Count Steps in Matrix

August Lunchtime 2015

Minimum Maximum

December Lunchtime 2015

Ancient Berland Roads, Distinct Codes

May Challenge 2016

Chef and math, Forest Gathering, Chef and Big Soccer

August Challenge 2016

Funny gnomes, Chef and Round Run, Chef and Circle Run, Chef and Chocolate, Chef and His Garden

November Challenge 2016

Friends Meeting, Gift and Chef

December Challenge 2016

Kth Max Subarray

June Challenge 2017

Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

IPC Trainers, Pishty and tree

August Long Challenge 2017

Chef and Mover

November Challenge 2017

Polynomials

October Lunchtime 2017

Buggy Calculator, Maximum Number

May Cook-off 2018 Division 2

Best Cake Ever, Secret Recipe

June Cook-Off 2018 Division 1

Masha and Minions, Sonya and Segments, Good Permutations

May Lunchtime 2018 Division 1

Maximum Plus, Weak in the Middle, Shifted Palindrome

May Challenge 2018 Division 2

Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1

Two Flowers, Vision

July Challenge 2018 Division 1

No Minimum No Maximum

May Challenge 2019 Division 1

Where to Build the Roads

September Challenge 2019 Division 1

Biladerim Icin, Chef Designed a Network, Expected GCD, Fuzzy Linear Combinations, Easy Fibonacci

October Challenge 2019 Division 1

Even Edges

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity

November Lunchtime 2019 Division 1

Team Trees, Planting Trees, Washing Windows, Perfection

Total Problems Solved: 121