Ujjwal Prahladka

• Username: 5★ujjwal_p
• Country:  India
• Student/Professional:Student
• Institution:Dwarkadas Jivanlal Sanghvi College of Engineering Vile Parle, Mumbai, Maharashtra, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 19

Current Ratings Graph Old Ratings Graph

2013 (+50)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Pre-Elimination(2021-11-22 00:00:06)

Global Rank:   165

Cheated in:   

Ratings System Update

(2021-11-22 00:00:06)

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?

2013 (-281)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Pre-Elimination(2022-12-20 00:00:00)

Global Rank:   165

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 (19)

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Sell All the Cars

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers, Triple Sort

May Lunchtime 2020 Division 2

Weird Walk, Convert the String, Lost Weekends

June Challenge 2020 Division 1

The Tom and Jerry Game!, Covid Sampling (Challenge)

July Challenge 2020 Division 1

Missing a Point, Doctor Chef, Chefina and Swaps

September Challenge 2020 Division 1

Chefina and Swap, Find XOR, Ada Matrix

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

October Challenge 2020 Division 1

Positive AND, Replace for X

November Challenge 2020 Division 1

Magical Candy Store, Restore Sequence

January Challenge 2021 Division 2

Watching CPL, Fair Elections

December Challenge 2020 Division 1

Hail XOR, String Operations, Positive Prefixes, Even Pair Sum

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands

October Cook-Off 2020 Division 1

Path-etic Sums

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

March Challenge 2021 Division 2

Interesting XOR!, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort

April Challenge 2021 Division 2

Binary String MEX, Boolean Game, Chef and Dice, Worthy Matrix, Destroy the EMP Chip, Tree Permutations

May Cook-Off 2021 Division 1

The Last Problem, Permutation Swaps, Double Burgers, Chef and Subarrays

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

May Challenge 2021 Division 1 (Unrated)

Tree House, Modular Equation, Tic Tac Toe, Xor Equality, An Interesting Sequence, Valid Paths

June Challenge 2021 Division 1 (Unrated)

Minimum Subtree Cover, Summer Heat, Dual Distance, Bella ciao, Shortest Route, Minimum Dual Area, Bitwise Tuples

July Challenge 2021 Division 1 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination, K Path Query

SnackDown 2021 - Online Qualifiers

Minimise Difference, Maximum Number Of Distinct Elements, Lucky Number

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers

Total Problems Solved: 279