Jatin Yadav

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Chef and String

July Challenge 2015

Sereja and Game 2, Bread, Na2a and lucky stone, Chef and Cube, Rohith and Circles

August Challenge 2015

Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick, Chef and insomnia

September Challenge 2015

Filling the maze, 3D Queries, Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Terrible vectors, Bank robbery, Lighthouses, Cracking the Code

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle

November Challenge 2015

Nikitosh and Sauron-tetrahedron, Eugene and function, Simple Sum, Chef and cakes

December Challenge 2015

Sereja and Dividing, Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Misha and Permutation, Chef and Filters, Chef and Girls, Tanks

May Cook-Off 2015

Devu and friendship testing, Devu and decorating birthday cake

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum, Adding Special Sum

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

January Long Challenge 2016

Sereja and Salesman, Rupsa and the Game, Churu and Balls, Devu and Perfume

February Challenge 2016

Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Weird Sum, Rectangles of Love, Chef-Detective, Matrix Maximum Sum

April Challenge 2016

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

May Challenge 2016

Sereja and GCD 2, Chef and math, Chef and Balls, Forest Gathering, Chef and Amazingness of Numbers, Chef and Big Soccer, Laddu

June Challenge 2016

Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array

July Challenge 2016

Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and special numbers, Evaluate the polynomial, Chef and Robots Competition, Chefland and Electricity, Chef and Polyhedron, Defend the Recipe, Scheduling jobs on a cluster

September Challenge 2016

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

October Challenge 2016

Sereja and Progressions, Sereja and Stones, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Power Sums, Chef and Two String

November Challenge 2016

Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Kirito in Memeland, Chef and squares, Chef and Bike, Task for Alexey

December Challenge 2016

Train Partner, Kth Max Subarray, Chef and Finding Direction, Sereja and Increasing subsequence, Kirito in labyrinth, Edit Distance Revisited, Roses for Alexey, Advanced Cooking Machine, Our Base is Under Attack, Bear and Three Colours

February Cook-Off 2016

Puppy and Catchers, Puppy and Board, Puppy and Sum

April Cook-Off 2016

Movie Weekend, Odd Divisors, Queries on a Binary Tree

June Cook-Off 2016

Sticks, Right Triangle

July Cook-Off 2016

Chef and Proportion, Chef and Numbers, Chef and Land

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum , Math Hatter

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point

October Cook-Off 2016

Watson asks Does Permutation Exist, Sherlock Counts Ways, ChefWatson uses Social Network

November Cook-Off 2016

Sebi and the equation 2, Sebi and the cube, Sebi and the highway

June Lunchtime 2016

Collisions, One more weird game, Square in numbers

September Lunchtime 2016

Chef and Inequality

November Lunchtime 2016

Chef and his Students, Chef and Square Set

January Challenge 2017

Capital Movement, Cats and Dogs, Sereja and Circles, Sereja and BOX, Coprime 6-tuples, Chef and Circle, Fantastic Four, Digits Cannot Separate, Reservior, Tourists in Mancunia

February Challenge 2017

Chef and Yoda, Primitive Queries, Interval Game, Sereja and Inversions, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

February Cook-Off 2017

Download file, Chairs, Cooking Game

May Challenge 2017

Chef and Sub Array , Long Sandwich , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, Painting Tree

July Challenge 2017

Chef and Sign Sequences, Irrational Root, Pishty and tree, Multiplication Program, Arithmetic Progression Binomial (Rejected), Tree Expectancy, Whats in the Name, Calculator , IPC Trainers

September Challenge 2017

Sereja and Commands, Sereja and Functions (Challenge), Chef and Pick Digit, Minimum Good Permutation, Sum of Cubes, Querying on a Grid, Weasel does Xor on Tree, Weasel finds Staircase, Fill The Matrix, Little Chef and Sums

October Challenge 2017

Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Shooting on the array, Max Mex, Chef and Horcrux, Counter Test For CHEFSUM, A Balanced Contest, (Challenge) Connecting computers, Lucky Edge

November Challenge 2017

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

March Cook-Off 2017

Rainbow Graph, Yet Another Card Game, Increasing Xor Sequence, Safe Robot

April Cook-Off 2017

Bear and Xor of Sums, Bear and Candies 123, Bear and AB

May Cook-Off 2017

La Liga, Balanced Array

June Cook-Off 2017

Ada and crayons, SnackUp, Centeroid

September Cook-Off 2017

Numbers Game, Infinite OR Game, Statistics Construction, Subsequence Equality, Mixing Colors

October Cook-Off 2017

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

April Lunchtime 2017

Bear and Digit Virus, Bear and Segments, Bear and Segment 01

July Lunchtime 2017

Find the Maximum Value, Good Pairs

International Coding League (Rated)

Cards Game, Worst Case Analysis

IOPC 2017 (Rated)

The Birthday Tears, Max Out, Christmas Time, Help your friends

January Challenge 2018

(Challenge) Chef and Palindromes, Killing Monsters, A humongous Query, Simplify the Square Root, Killjee and k-th letter , K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

January Cook-Off 2018

Multiple of 3, Make array great again, Survive in ChocoLand

January Lunchtime 2018

Chef and Game with Sequence, Chef and Average on a Tree, Chef and Function, Chef and Escaping from the Labyrinth

February Challenge 2018

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

International Coding League (Rated)

Matrix Game, Stingy Strings, Maze Love, Replace and Substring Queries, Raid Systems

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores an Array, Chef Restores a Matrix

April Cook-off 2018 Division 1

Run Direction, Binary Nim, Chef Goro

June Cook-Off 2018 Division 1

Masha and Minions, Sonya and Segments, Danya and Numbers, Batman and Tree, Good Permutations

April Challenge 2018 Division 1

Chef and Array (Challenge), Vaibhav and Ministers, Chef at the Food Fair, Cutting Plants, S Semi-palindromic, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes, Chef and Same Old Recurrence 2

May Challenge 2018 Division 1

S-T Mincut, Series Sum, Change the Signs, Edges in Spanning Trees, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1

Expected Buildings, Archi and Tree

July Challenge 2018 Division 1

Pizza Delivery, Picking Fruit for Chefs, Tom and Jerry, Reach Equilibrium, Chef and War with Taran (Challenge), Subway Ride, No Minimum No Maximum, Gears

September Challenge 2018 Division 1

AND Square Subsegments, Selinas the Chefs Falling on the Tree, Sasha and Photos, Chef and Lost Story, Chef and Condition Zero (Challenge), Factorize, Table Game, Bad Shuffle

November Challenge 2018 Division 1

Chef and Equations, Max-digit Tree

September Lunchtime 2018 Division 1

Biased Judgement, Opposite Cites, Chef Restaurant , Match the Streams

ALKHWARIZM (Rated)

Harry in the Chamber of Secrets, Help Voldemort, Hedwig The Smart Bird, Harry Potter and the Deathly Hallows - 2, Wingardium Leviosa, Sam, The Charming Angel

Insomnia 2018 (Rated)

Correct Bracket Sequence, Count Nodes, Split Sums, High Interview, Strange Swaps, Function Function

Replay of Indian IOITC 2018 #2 (Rated)

Exact Walks, Coin Denominations, Changing Numbers

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success, Awkward Pairs, Algebra Score, Good Speech

January Lunchtime 2019 Division 1

Distances, Wanderer, Rooks, Mouse Meets Cheese

March Challenge 2019 Division 1

Perfect Tree Problem

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Points and Convex Hulls, Markers and Caps, Music Shopping

March Lunchtime 2019 Division 1

GCD Subsequences

May Cook-Off 2019 Division 1

Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor, Searching for a Biclique

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour, Reverse Maximisation, XOR Magic, Intervals and Intersections, Abdullah and Toll Discounts

June Challenge 2019 Division 1

Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, Forgotten Tree 9

July Cook-Off 2019 Division 1

Birthday Gift Again, War in Treeland Again, Magical Menu, Expected Product

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Tree Sequences, Dilemma, Maximize an Expression, Chef and Gordon Ramsay, Complement Spanning Trees

October Challenge 2019 Division 1

Queries on Matrix, Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS, Faulty System

November Cook-Off 2019 Division 1

The Biggest Restaurant, Expected Number of Customers , Black-and-White Tree, The Challenge Day, Robots in Chefland

SnackDown 2021 - Online Qualifiers

Lucky Number

October Lunchtime 2021 Division 1

Median Rearrangement, Tree Upshot, Maximum GCD

SnackDown 2021 - Online Round 1A

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

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1

SnackDown 2021 - Online Elimination Round (Rated for all)

Random Convex Hull, Graduate Work Matters, Sorting Segments

SnackDown 2021 - Final Round

Ones Guessing, Scrupulous Robbery Plan, Finally, Non Ad-Hoc Problem, AND of Maximums

March Lunchtime 2022 Division 1

Subsequence, Mathology, Sussy Rooks, Winter, Adjacency Love, Separate Them All

Starters 122 Division 1 (Rated till 6-Stars)

Arya In Grid, Cursed

Problems Authored (41)

Problems Tested (0)

No Contribution

Editorials Contributed (15)