Duta Vlad

• Username: 6★vrajala
• Student/Professional:Professional
• Organisation:Airbnb
• 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: 18

Current Ratings Graph Old Ratings Graph

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October Challenge 2020 Division 1(2020-10-12 15:00:00)

Global Rank:   823

Cheated in:   

Ratings System Update

(2020-10-12 15:00:00)

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2208 (+153)RatingProvisional
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October Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   823

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 (18)

February 2012 Challenge

Lucky Count, Lucky Long, Find a Subsequence, Smart Chef vs Evil Chef, Word Counting, Count of Maximum, Box and Ball System

February Challenge 2014

Make Him Happy, Colored Array, Little Elephant and Subarrays, Longest Common Pattern, Chef and Favourite Sequence, Draughts, Little Elephant and Movies

March Challenge 2014

Chef and Graph Queries, A Story with Strings, Mike and Stamps, Little Chef and Numbers, The Street , Walk, Binary Tournament, Team Split, Sereja and Sorting 2, Maximum number, GCD condition

August Challenge 2014

Mountain Holidays 2, Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

October Challenge 2014

Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus, Chef and Square, Chef and Ground, Sereja and two strings, Remy paints the fence

November Challenge 2014

Chef and Words, Fombinatorial, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree

December Challenge 2014

Chef Under Pressure, Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees, Sereja and GCD

June Challenge 2018 Division 1

Binary Board, Expected Buildings, Vision, Ways to Work, Two Flowers

July Challenge 2018 Division 1

Tom and Jerry, Reach Equilibrium, No Minimum No Maximum, Gears

August Challenge 2018 Division 1

Coordinate Compression , Modular GCD, Princess and Dragons, Interactive Matrix, Lonely Cycles

December Challenge 2018 Division 1

Max and Electrical Panel, Chef and Interactive XOR, Directing Edges, (Challenge) Delete DAG

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

February Challenge 2019 Division 1

Maximize the Tax, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Yet Another Tree Problem, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle, Xor Decomposition

March Challenge 2019 Division 1

Chef and Soccer, Cheating on Queue, Perfect Tree Problem, Treasure Hunt, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings

May Challenge 2019 Division 1

Ada Rooks 2, Where to Build the Roads

June Challenge 2019 Division 1

Chef and Ingredients, Sum and GCD

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)

October Challenge 2020 Division 1

Positive AND, Replace for X

January Long 2023 Division 1 (Unrated)

Asymmetric Swaps, Array Halves, Negative Product

Total Problems Solved: 132