Himanshu Sachan

• Username: 4★hs001
• Country:  India
• Student/Professional:Student
• Institution:Ajay Kumar Garg Engineering College Ghaziabad, Uttar Pradesh, India
• 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: 30

Current Ratings Graph Old Ratings Graph

1940 (-14)RatingProvisional
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Starters 61 Division 2 (Rated)(2022-10-19 23:00:02)

Global Rank:   766

Cheated in:   

Ratings System Update

(2022-10-19 23:00:02)

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1940 (-8)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 61 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   766

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 (30)

April Challenge 2020 Division 2

Squared Subsequences, Strange Number, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Unit GCD, Sell All the Cars

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers, Triple Sort

April Cook-Off 2020 Division 2

Lift Requests

April Lunchtime 2020 Division 2

Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

Chef and String, Chef and Price Control, Covid Sampling (Challenge), Chef and Icecream, The Tom and Jerry Game!, Even Matrix

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef and Wedding Arrangements, Smallest KMP, Chef and Linear Chess, Chef Wars - Return of the Jedi, Another Card Game Problem

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Find XOR, Ada Matrix, Coronavirus Spread 2

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work, K-Foldable String

RECode 12.0 (Rated for all)

Chef and Numbers, Chef and String

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall

December Challenge 2020 Division 2

Vaccine Distribution, Vaccine Production, Even Pair Sum, Hail XOR, Positive Prefixes

December Cook-Off 2020 Division 1

Self-Destructing Strings

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums

September Cook-Off 2020 Division 2

Bowling Strategy

InfInITy 2k20 Division 2 (Rated)

The One Who Knocks!

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

February Challenge 2021 Division 2

Maximise Function, Prime Game, Team Name, Frog Sort

SPYBITS IIT BHU Division 2 (Rated)

B - Valentine Couples, C - Mission Gotham, A - Save Water Save Life

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation, Segmentation Fault

Starters 45 Division 2 (Rated)

Even Equal Odd, Xor and Multiply, Retrieve the Array, Adjacent Sum Parity

July Lunchtime 2022 Division 2 (Rated)

Largest Family, Maximum Median Matching, Consecutive XOR, Yet Another Palindrome Making Problem, Easy Pronunciation

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array, Accurate XOR

Starters 49 Division 2 (Rated)

Split The String, High Frequency, Monks, Valid Minimum

Starters 61 Division 2 (Rated)

Minimise LCS, Weird Subarrays, Subarray Removal

Total Problems Solved: 150