Amit Ranjan

• Username: 4★amitruler
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology BHU Varanasi, Uttar Pradesh, 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)

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No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

1900 (+45)RatingProvisional
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May Challenge 2018 Division 2(2018-05-14 15:00:00)

Global Rank:   90

Cheated in:   

Ratings System Update

(2018-05-14 15:00:00)

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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1900 (+104)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   90

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 (21)

November Challenge 2016

Chef and squares, Count Permutations, Task for Alexey

January Challenge 2017

Capital Movement, Reservior, Cats and Dogs

February Challenge 2017

Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number

February Cook-Off 2017

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February Lunchtime 2017

Bear and Milky Cookies

April Challenge 2017

Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

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

June Challenge 2017

Chef and Prime Queries, Saboteur (Challenge), A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, IPC Trainers, Calculator , Whats in the Name, Tree Expectancy, Pishty and tree

August Long Challenge 2017

Strings and Graphs, Greedy Candidates, Mathison and the Data Warehouse (Challenge), Palindromic Game, Chef And Fibonacci Array, Chef and Mover, Chef and Rainbow Array

September Challenge 2017

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

October Challenge 2017

Max Mex, (Challenge) Connecting computers, A Balanced Contest, Counter Test For CHEFSUM, Chef and Cycled Cycles, Chef and a great voluntary Program, Chef and Magic Arrays

May Cook-Off 2017

La Liga

March Lunchtime 2017

Bear and Ladder

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

IOPC 2017 (Rated)

Max Out, The Birthday Tears

January Challenge 2018

(Challenge) Chef and Palindromes, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

February Challenge 2018

Points Inside A Polygon, Permutation and Palindrome, (Challenge) Biased Committee, Car-pal Tunnel, Chef And The Patents, Chef And His Characters, Broken Clock

May Challenge 2018 Division 2

Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

Total Problems Solved: 91