Tran Quang Loc

• Username: 6★darkkcyan
• Country:  Russia
• Student/Professional:Student
• Institution:Saint Petersburg National Research University of Information Technologies, Mechanics and Optics
• 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: 32

Current Ratings Graph Old Ratings Graph

2350 (+16)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Pre-Elimination(2021-11-22 00:00:06)

Global Rank:   162

Cheated in:   

Ratings System Update

(2021-11-22 00:00:06)

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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2350 (-8)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Pre-Elimination(2022-12-20 00:00:00)

Global Rank:   162

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 (32)

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network

December Cook-Off 2016

Chef and Subset, Chef and Subarrays, Chef and Numbers

August Lunchtime 2016

Studying Alphabet

October Lunchtime 2016

The Largest Bouquet

December Lunchtime 2016

Superheroes and villains, Fly height mode

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

January Lunchtime 2017

Sealing up, Nothing in Common, Segment Queries

February Lunchtime 2017

Bear and House Queries, Bear and Milky Cookies, Bear and Bribing Tree

July Challenge 2017

Chef and Sign Sequences, Pishty and tree, Multiplication Program, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Greedy Candidates

November Challenge 2017

Chef Hates Palindromes, Chef and Subarray Queries, Chef goes Left Right Left, Lovers Gift, Periodic Palindrome Construction, Villages and Tribes

March Cook-Off 2017

Rainbow Graph, Safe Robot

April Cook-Off 2017

Bear and Shop Trip, Bear and Candies 123, Bear and AB

May Cook-Off 2017

La Liga, Balanced Array, Nasty Queries

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples

August Cook-Off 2017

Matrix and Chef, Real obtuse, From heaven to earth

September Cook-Off 2017

Infinite OR Game, Statistics Construction, Subsequence Equality

October Cook-Off 2017

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef and Dancing Steps

December Cook-Off 2017

Minimum SubArray, Beautiful Array, Football Match

April Lunchtime 2017

Bear and Digit Virus, Bear and Segments, Bear and Segment 01

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Maximum Unique Segment, Two Numbers, Company and Club Hierarchies

October Lunchtime 2017

Buggy Calculator, Maximum Number

November Lunchtime 2017

Smart Strategy, Shuffling, L-R queries

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores a Matrix

May Cook-off 2018 Division 1

Difficult Choice, Best Cake Ever

September Mega Cook-Off 2018 Division 1

OneTwo, Learning Dishes, Make a Permutation

March Lunchtime 2019 Division 1

Corrupted Seven-Segment Display, Tree Flow, Travelling Saleschef

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour, Reverse Maximisation, Abdullah and Toll Discounts

September Lunchtime 2020 Division 1

Permutation Split, Root the Tree, Robot Detector

SnackDown 2021 - Online Qualifiers

Lucky Number

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, Product Pain, Guests like slippers

Total Problems Solved: 166