querty querty

• Username: 5★querty1234
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

2174 (+52)RatingProvisional
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Starters 207 (Rated till 5 star)(2025-10-08 22:00:00)

Global Rank:   9

Cheated in:   

Ratings System Update

(2025-10-08 22:00:00)

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2112 (-141)RatingProvisional
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April Lunchtime 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   15

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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Contests (23)

March Challenge 2020 Division 2

Lasers Everywhere, Chef and DAG, Lasers Everywhere Alternative, Inverse of a Function

May Challenge 2020 Division 2

Buying a New String, Triple Sort, Chef and Rainbow Road, Chef and Bitwise Product

May Cook-Off 2020 Division 2

Chef, Chefina and Their Friendship, Roads in Chefland

March Lunchtime 2020 Division 2 (Unrated)

Strip in a Tree!

May Lunchtime 2020 Division 2

Convert the String, Tree difference

June Challenge 2020 Division 2

The Tom and Jerry Game!, Perfect Partitions, Convenient Airports, The Delicious Cake, Operations on a Tuple

July Challenge 2020 Division 2

Chef and Strings, Chef and Card Game, Chefina and Swaps, Expected Spanning Trees, Weird Product, Doctor Chef, Missing a Point, Chef and Dragon Dens, LCM Constraints, Ada King

July Cook-Off 2020 Division 1

What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

August Cook-Off 2020 Division 1

Polygon Relationship

August Lunchtime 2020 Division 1

Game on a Strip, Alien Invasion

June Lunchtime 2020 Division 2

Square Submatrices, Gold Mining, Chef and Demonetisation, Increasing Decreasing, Maximum AND

December Cook-Off 2020 Division 1

Self-Destructing Strings, Circle of Chaos

December Lunchtime 2020 Division 1 (Unrated)

Three Letters, One Zero Swaps

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Shifting Spoons, Dreams of Divisibility, Even Sum

November Cook-Off 2020 Division 1

Flip the String, Hiring Workers, Graph Construction, Chef and IPC Certificates

November Lunchtime 2020 Division 1

Fractions

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

September Cook-Off 2020 Division 1

Minimum Insertions, Maximise Subsequence Value

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

UWCOI 2021 (Rated for all)

Organisation, Array Swaps, Hidden Numbers

April Lunchtime 2021 Division 1

A Special Tree, Magical Coins

Starters 191 (Rated till 6 star)

Add 1 or 2, Grid Path (Easy)

Starters 206 (Rated till 5 star)

Cyclic Shift Minimization, Gladiator Fighting, Min Steps, Product Equal Sum, MEX Tree

Starters 207 (Rated till 5 star)

Adjacent Sums, Subset MEX Counting, Make Subarray, Maximum Smaller, Subarray ORs

Total Problems Solved: 158