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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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Practice Compete Compiler
Home » Uday Jalan
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Uday Jalan

  • 4★udayrocks2k8
  •   India
  • Professional
  • Google Inc
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 74
1805 (+45)RatingProvisional
Rating i Provisional Rating, click to know more
May Challenge 2021 Division 2 (Rated)(2021-05-17 15:00:02)
Global Rank:   306
Cheated in:   

Ratings System Update

(2021-05-17 15:00:02)
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?
1805 (+2)RatingProvisional
Rating i Provisional Rating, click to know more
May Challenge 2021 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   306
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)

Practice Paths (1)

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Practice for ZCO and INOI

2%

Contests (74)

November 2009 (Contest X)

The Best Box

December 2009 (Contest XI)

The N Queens Puzzle Revisited

January 2010 (Contest XII)

Lost Primes

February 2010 Contest

Soccer League, Sorting device

March 2010 Contest

Treasure Hunting, K-important Strings, The Best Tower, Tri-Hexagonal Puzzle, Traffic jam

April 2010 Contest

Flood, Adding Fractions

May 2010 Contest

Nice Quadrangles

June 2010 Contest

Robot Game, Squirrel and chestnut

July 2010

Closest Ranking, Maximal crosses

July Cook Off

Ripple-Carry Adder

August 2010 Challenge

Optimizing Production and Sales

August Cook Off

Arranging the Appetizers, Cleaning Up

September 2010 Challenge

Multiples of 3

November 2010 Challenge

Randomly Testing Circuits

The November CookOff

One Dimensional Game of Life, Cutting Recipes

December 2010 Challenge

The Hungry Bear, Byteknights and Byteknaves

January 2011 Challenge

Restaurant Expansion, Chess Pushing Game, Flu Shot Lineup, Splitting Giant Subs, Count Relations

The January 2011 Cook-Off

Holes in the text, Chef team

February 2011 Contest

Bogosort, Glass Measurement, Counting Terms

April Long Contest

Gravel, Number Game Revisited, Central Point, Rectangles Counting

May Long Contest 2011

Tree Product, The Great Wall of Byteland

June Long Contest 2011

Maximal Score Path, Chef Teams

June Cook-off

Correctness of Knight Move

July Cook-off 2011

Misinterpretation, Garden Squares

November Long Contest 2011

Chefs new Pet, New Restaurant

December 2011 Long Contest

Birthday Gift, Robot Movings, Ciel and Eggs, Spinning Wheels

January 2012 Challenge

Houses and Restaurants

February 2012 Challenge

Restore the Recipe

March 2012 Challenge

Longest Weird Subsequence, Cosine Partition Function, Lucky Number, Home Delivery

April Challenge 2012

Similar Graphs

July Challenge 2012

Little Elephant and Bubble Sort

December Challenge 2012

The Uncountable Ways

April Challenge 2013

Little Elephant and Music

July Cook-off 2013

Chopsticks, A Plus B Again!

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Splitting Candies

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, CAO Stage-3, Yet Another Nice Girl, Kamehameha

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

January Challenge 2014

Magic Trick, Sereja and Graph, ForbiddenSum, Meteor, Bon Appetit, Please like me, Chef and Feedback

February Challenge 2014

Little Elephant and Movies, Draughts, Make Him Happy, Chef and Favourite Sequence, Graph Challenge, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

June Challenge 2014

Little Elephant and Blocks, Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

August Challenge 2014

Mountain Holidays 2, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

October Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Chef and Words, Fombinatorial, Sereja and Order, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, Chef and Churu, The Spelling Problem

December Challenge 2014

Chef Under Pressure, Alok-nath and His Sanskars, Chef and Bracket-Pairs, Divide or die, XOR with Subset, Chef and Apple Trees, Sereja and GCD, Good galaxy

November Lunchtime 2014

A wolf, a sheep and cabbage

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Gcd Queries

January Lunchtime 2015

Piece of cake

March Challenge 2015

Count Substrings, Chef and Notebooks, Devu and his Class, Sign Wave, Matrix

April Challenge 2015

Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, Chef and Piano Scales, Devus and their voting system

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Sereja and GCD 2

July Challenge 2016

Andrash and Stipendium, Chef and Segments, Chef and special numbers, Evaluate the polynomial, Chef and Robots Competition, Chefland and Electricity, Defend the Recipe

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

January Challenge 2017

Fantastic Four, Digits Cannot Separate

February Challenge 2017

Eugene and big number, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues

May Challenge 2017

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

August Long Challenge 2017

Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Hill Jumping, Walks on the binary tree, Palindromic Game, Greedy Candidates, Strings and Graphs

September Challenge 2017

Little Chef and Sums

November Challenge 2017

Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

January Challenge 2018

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

March Challenge 2018 DIV 2

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

April Challenge 2018 Division 1

Count Good Prefixes

November Challenge 2018 Division 2

Chef and Ridges, Appy Loves One, Good Median, Chef and Difficult Contests, Chef and Happiness

January Challenge 2019 Division 1

Distinct Pairs

March Challenge 2020 Division 2

Chef and DAG, XOR Engine, Ada Bishop 2, Lasers Everywhere, Lasers Everywhere Alternative, Pintu and Fruits

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree

September Challenge 2020 Division 1

Chefina and Swap, Find XOR, Ada Matrix

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

January Challenge 2021 Division 2

Watching CPL, Fair Elections

May Challenge 2021 Division 2 (Rated)

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

Total Problems Solved: 308

Contributions

Problems Authored (6)
Contest Problem
OTHERS IOPC01
IOPC02
IOPC03
IOPC04
IOPC05
IOPC06
Problems Tested (0)

No Contribution

Editorials Contributed (0)

No Contribution

1805
(Div 2)
★★★★
CodeChef Rating (Highest Rating 2196)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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