Shivam Singh

• Username: 3★humble_hacker
• Country:  India
• Student/Professional:Professional
• Organisation:Zendrive
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 28

Current Ratings Graph Old Ratings Graph

1767 (+12)RatingProvisional
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CodeChef Starters 13 Division 2 (Rated)(2021-09-26 19:00:02)

Global Rank:   1013

Cheated in:   

Ratings System Update

(2021-09-26 19:00:02)

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1767 (+47)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 13 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1013

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 (28)

September Challenge 2016

Chef and digits of a number

January Challenge 2017

Capital Movement, Reservior, Cats and Dogs

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file

May Challenge 2017

Chef and Sub Array , Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

August Long Challenge 2017

Chef and Rainbow Array, Greedy Candidates, Palindromic Game, Chef and Mover

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, A Balanced Contest, Counter Test For CHEFSUM, Max Mex, Chef and Cycled Cycles

November Challenge 2017

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

July Cook-Off 2017

Chang and Bitwise OR

August Cook-Off 2017

Matrix and Chef, Real obtuse, From heaven to earth

November Cook-Off 2017

Online Chess, Random Pair

July Lunchtime 2017

Find the Maximum Value

November Lunchtime 2017

Smart Strategy

December Lunchtime 2017

Strange Function, Days in Month

January Challenge 2018

K-Concatenation, Partition the numbers, String Merging, Rectangle, Maximum Score

February Challenge 2018

Broken Clock, Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

March Cook-off 2018 Division 1

Chef Goes to the Cinema

May Lunchtime 2018 Division 2

Count Substrings, Trace of Matrix

April Challenge 2018 Division 2

Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

June Lunchtime 2018 Division 2

Sort the Leaves, Summary Power, Counting Pretty Numbers

LoC April 2018 (Rated for Division 2)

Cricket Score

September Cook-Off 2021 Division 3

Cars and Bikes, Zebra Crossing, Fake Swaps, Fake GCD, Adjacency Hatred

CodeChef Starters 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors

Total Problems Solved: 107