Siddhartha Srivastava

Practice: 

Factorial, Small factorials, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Turbo Sort, ATM, Life, the Universe, and Everything, The Lead Game, Yet Another Number Game, Flipping Coins, Cutting Recipes, Ciel and A-B Problem, Double Strings, Closing the Tweets, Ciel and Receipt, Packaging Cupcakes, Snape and Ladder, Number Mirror, Chef and Remissness, The Smallest Pair, Tanu and Head-bob, Sereja and Votes, Fit Squares in Triangle, Lucky Four, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Reverse The Number, Second Largest, Finding Square Roots, The Block Game, Finding Hardest Sum Value, Processing a string, Jump on Buildings, Cats and Dogs, Jumping Frogs III

Past ZCO Problems: 

Tournament, Video Game, Smart Phone, Variation

Past INOI Problems: 

Triathlon, Table Sum, Calvins Game, Sequence Land, Free ticket

April Challenge 2017: 

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017: 

Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

June Challenge 2017: 

A Good Set, Xenny and Coin Rankings

July Challenge 2017: 

Chef and Sign Sequences, Pishty and tree, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers, Two Coins

October Challenge 2017: 

Chef and Magic Arrays, Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

December Challenge 2017: 

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

July Cook-Off 2017: 

Chang and Bitwise OR, Chang and the Perfect Function

September Cook-Off 2017: 

Infinite OR Game, Statistics Construction, Subsequence Equality

November Cook-Off 2017: 

Random Pair

December Cook-Off 2017: 

Beautiful Array, Football Match

June Lunchtime 2017: 

Maximum Unique Segment, Two Numbers

September Lunchtime 2017: 

Chef and Dice, Chef and Cook-Off Contests

April LoC Competitive Programming Marathon: 

Abhi And Ambi play a game, Holmes and Academy Admission, Banta needs help , Decision Review System, Jenny and Magic Book

LoC June 2017: 

Harry and magical number, Kth Character, The Riddler

LoC July 2017: 

Boss and his Brother, Amit and Nitin , At The End, Region of Calabria

CodeGeeks: 

TIME FOR BASKETBALL, Rajeev and Beautiful Row, Shreyansh and Arrays, Messege Story, Eat and Sleep

February Challenge 2018: 

Broken Clock, Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

September Mega Cook-Off 2018 Division 1: 

Make a Permutation

October Mega Cook-Off 2018 Division 1: 

Binary Nim 2, Pumping Water

November Cook-Off 2018 Division 1: 

Beautiful Garland, A-B Game

May Challenge 2018 Division 1: 

Fake Binary Search, Dibs on Fibs

December Challenge 2018 Division 1: 

Max and Electrical Panel, Directing Edges, Chef and Interactive XOR

October Challenge 2018 Division 1: 

Appy and Balloons , Minimize Digitsum

Innerve Summer Code Challenge: 

Big Multiplication, Friends Meeting, Good Subsets, MCQ Game, Lottery Money, Krish and Containers, Mathematical Equation

April Lunchtime 2019 Division 1: 

Dream Problem, Firdavs and Planet F, Minimum Sum

December Challenge 2019 Division 1: 

Chefina and Ranges, Binary XOR, Addition

May Challenge 2020 Division 1: 

Triple Sort, Chef and Bitwise Product

April Lunchtime 2020 Division 1: 

Xor Jar Muluk Tar, Positive Mex

ICPC Asia-Amritapuri Onsite Replay Contest 2019: 

Coloring Intervals, Usain Bolt vs Tiger, Sufficiently different string, Expected Candies

September Lunchtime 2020 Division 1: 

Root the Tree, Robot Detector

February Cook-Off 2022 Division 1: 

Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market, Slingshot

February Lunchtime 2022 Division 1: 

Magical Modulo, Magnet Sort

March Lunchtime 2022 Division 1: 

Winter, Adjacency Love, Separate Them All

Starters 36 Division 1(Unrated): 

Buying Sweets, Reduce to 1

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