Yash Sachan

• Username: 4★cyberlordyash
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Sonepat Haryana, India
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 31

Current Ratings Graph Old Ratings Graph

1851 (+38)RatingProvisional
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Starters 166 (Rated)(2024-12-25 22:00:02)

Global Rank:   175

Cheated in:   

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(2024-12-25 22:00:02)

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1547 (-132)RatingProvisional
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CodeChef Starters 28 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   528

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (31)

December Lunchtime 2021 Division 3

Chef Loves 1010, Chef and Vacation Transportation

CodeChef Starters 21 Division 3 (Rated)

Akash and Grid, Devendra and Water Sports, Covid and Theatre Tickets

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor

Infinity 2k21 Division 3 (Rated)

The Squid Game, Red Light, Green Light

Code Drive Division 3 (Rated)

Game between friends, Favourite String of Chef

January Long 2022 - I, Division 3 (Rated)

Covid Spread, Prime in a binary string, Keplers Law

January Long 2022 - II, Division 2 (Unrated)

Crying Colours

Exun 2021-22 Division 3 (Rated)

Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

January Lunchtime 2022 Division 2

Prefix Zeros, Subarray permutations

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

February Cook-Off 2022 Division 2

Perfect Permutation, Prefix Permutation

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing

CodeChef Starters 28 Division 3 (Rated)

Count the Holidays, Car Choice, Self Defence Training, Permutation Xority

Starters 129 Division 3 (Rated)

Palindromic Substrings, Pep Bidding, Ballon d Or

Starters 130 Division 3 (Rated)

Make Equal, Alternating Binary String, Swapping Marks Digits, Good Binary String

Starters 132 Division 2 (Rated)

ALIEN-OR, GAME 11

Starters 137 Division 2 (Rated)

Large Differences, Double Trouble

Starters 138 Division 2 (Rated)

A power B mod C , Prefix Suffix Inequality, Long Drive, Distinct Substring

Starters 139 Division 2 (Rated)

Sum of N, Maximum Distance Permutations

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Tree Removal

Starters 141 Division 2 (Rated)

Redundant Array, Amphibian Escape

Starters 143 Division 2 (Rated)

Non-Divisor Array, Binary Conversion

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

Starters 147 Division 2 (Rated till 5 stars)

Gold Coins 101, Non-Primes 101, Truth Teller And Liars 101, Independence Day 101

Starters 153 (Rated)

Butterfly, Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)

Starters 156 (Rated)

Count Triplets, Partition Score, Even Numbers Hate

Starters 158 (Rated)

Multiply 2 to Minimize, Buying Game, XOR Smaller, Largest Subsequence

Starters 159 (Rated)

Super Hero, Chess Colouring, Elections

Starters 160 (Rated)

Palindrome Love, Modindrome, Buying Order (Easy), Equate S and T

Starters 166 (Rated)

Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library

Total Problems Solved: 93