Umang Jalan

• Username: 4★uj123
• Country:  India
• Student/Professional:Professional
• Organisation:Hike Limited
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 41

Current Ratings Graph Old Ratings Graph

1849 (+13)RatingProvisional
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February Challenge 2015(2015-02-16 15:00:00)

Global Rank:   860

Cheated in:   

Ratings System Update

(2015-02-16 15:00:00)

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1849 (+29)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2015(2022-12-20 00:00:00)

Global Rank:   860

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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Contests (41)

October Cook-Off 2012

Buying Sweets

April Challenge 2013

Maximum Weight Difference

April Cook-Off 2013

Andrew and the Meatballs

May Challenge 2013

Name Reduction, Your Name is Mine

June Challenge 2013

Predictopus, Lapindromes

May Cook-off 2013

Subtraction Game 1

June Cook-Off 2013

Attic Crossing

July Challenge 2013

Chef and Walking on the rectangle

July Cook-off 2013

Chopsticks

August Challenge 2013

Little Elephant and Lemonade, Splitting Candies

September Challenge 2013

Cool Guys, Chef and Integers

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Yet Another Nice Girl, Edit Distance on Grid

November Challenge 2013

Missing some chairs, Square Digit Squares, Sereja and Vectors, Yet Another Cute Girl, Superpowers of 2, Uncle Johny

November Cook-off 2013

Am I a Fibonacci Number

December Challenge 2013

Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

December Lunchtime 2013

Mike and Matrices

January Challenge 2014

Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback

March Cook-Off 2014

Dividing Stamps

April Cook-Off 2014

Snape and Ladder

May Cook-Off 2014

Divide the Cake, Ups and Downs

June Cook-Off 2014

Counting Flags, Painting

October Cook-Off 2014

The Army, Walk on the Axis

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

March Challenge 2014

Mike and Stamps, A Story with Strings, Little Chef and Numbers, Walk, Binary Tournament, Team Split

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

August Challenge 2014

Chef and Gift, The Leaking Robot, Chef and Reversing, Cleaning Tables

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Painting, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Red Black Tree, Let us construct palindrome, Distinct Characters Subsequence, Chef and Segment Game

January Lunchtime 2014

Chef and String

May Lunchtime 2014

Approximately II

September Lunchtime 2014

Chef and easy problem

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

Total Problems Solved: 173