Ovishek Paul

• Username: 5★ovis96
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Shahjalal University of Science & Technology Sylhet, Bangladesh
• 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: 29

Current Ratings Graph Old Ratings Graph

2016 (-14)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2019 Division 1(2019-12-16 15:00:00)

Global Rank:   313

Cheated in:   

Ratings System Update

(2019-12-16 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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2016 (+38)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   313

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)

None

Contests (29)

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

August Long Challenge 2017

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

November Challenge 2017

Chef and Intersection Line, Product on the segment by modulo , Chef Hates Palindromes, Chef and Subarray Queries, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays

June Cook-Off 2017

Ada and crayons, SnackUp, Centeroid

August Cook-Off 2017

Matrix and Chef, Real obtuse, From heaven to earth

September Cook-Off 2017

Infinite OR Game, Statistics Construction, Subsequence Equality

October Cook-Off 2017

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries

November Cook-Off 2017

Skiing, Online Chess, Random Pair

March Lunchtime 2017

Bear and Ladder

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

November Lunchtime 2017

Smart Strategy, L-R queries

January Challenge 2018

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

February Challenge 2018

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

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting

April Challenge 2018 Division 1

Chef and Array (Challenge), Vaibhav and Ministers, Cutting Plants, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes

June Challenge 2018 Division 2

Two Flowers, Vision, Ways to Work, Sheokand and String, Binary Shuffle, Naive Chef

December Challenge 2018 Division 1

Max and Electrical Panel, Chef and Interactive XOR

September Lunchtime 2018 Division 1

Opposite Cites, Chef Restaurant , Match the Streams

October Lunchtime 2018 Division 1

Coloring the Grid, Weird Question, Niceness of the Arrays

February Challenge 2019 Division 1

Chef and Secret Ingredients, Art of Balance

February Cook-Off 2019 Division 1

Max Range Queries, Chef and Secret Password, Chef and Party

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Markers and Caps, Music Shopping

May Cook-Off 2019 Division 1

Misha and Nice Sets, Bitsetbaba and Power Grid

July Challenge 2019 Division 1

Guess the Prime!, Circular Merging

July Cook-Off 2019 Division 1

Birthday Gift Again

August Lunchtime 2019 Division 1

Destroy Cells, Chef Does Coke Yet Again

September Challenge 2019 Division 1

Expected GCD

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Sticky Notes, Addition

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement

Total Problems Solved: 150