Parth Ostwal
- parthz_2003
India- Student
- Pune Institute of Computer Technology Pune, Maharashtra, India
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (6)
1600 to 1800 difficulty problems
2000 to 2500 difficulty problems
Heaps
1400 to 1600 difficulty problems
Level up from 1* to 2*
Binary Search
Contests (64)
April Long One 2022, Division 4 (Rated)
Ezio and Guards, The Cooler Dilemma 1
April Lunchtime 2022 Division 4(Rated)
Lunchtime, Mario and Transformation, Mario and Bullet
Starters 45 Division 4 (Rated)
Best of Two
August Long 2022 Division 4 (Rated)
Sale Season, Hello Equation, Maximum Submissions, Make A and B equal
Starters 52 Division 4 (Rated)
AI Analysing Code, WA Test Cases, Air Conditioner Temperature
August Lunchtime 2022 Division 4 (Rated)
Test Averages, Candy Distribution, Equalizing Numbers, Easy Permutation, Height of Rationals
Starters 53 Division 4 (Rated)
Car Trip, Greater Average, Odd Pairs, Make A and B equal, Weights
Starters 54 Division 4 (Rated)
Number of Credits, Ticket Fine
Starters 55 Division 4 (Rated)
Balls and Boxes, Fever, Broken Phone
September Long 2022 Division 4 (Rated)
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Interesting Subarray, Good Pairs
Starters 56 Division 4 (Rated)
Nearest Exit, Chefland Games, Maximize Colours, Far Away
September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)
Flip the cards, Equalize AB, Stick Break, Permutation Creation
Starters 57 Division 4 (Rated)
Alice and Marks, Integers that sum to the same value, Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes
Starters 58 Division 3 (Rated)
Break the elements, Remove Bad elements
Starters 59 Division 3 (Rated)
Chef and Happy String , Suspense String, Confusing Concatenations
October Long 2022 Division 3 (Rated)
Building Race
Starters 60 Division 4 (Rated)
Expert Setter, Tax in Chefland, Paper Cutting, Card Removal
Starters 63 Division 4 (Rated)
Packing Books, Tasty Decisions, Avoid Squares Please
Starters 64 Division 4 (Rated)
Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Colors, Water Consumption
November Long 2022 Division 3 (Rated)
MaxEdges, Split and Maximize, Spliting Balls, String Game
Starters 68 Division 3 (Rated)
Boring String, Expense List, Make AP, Make Money
Starters 69 Division 3 (Rated)
Akash and Dinner, Convert to permutation, Distinct Sequence
Starters 70 Division 4 (Rated)
Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Starters 71 Division 4 (Rated)
Pet Store, Instagram, Snapchat, Perfect Trio, Maximizing LCS
December Long 2022 Division 3 (Rated)
Divisible by A_i, Gcd of Subarrays, Divisible by K, Reach fast, Maximise XOR
Starters 73 Division 3 (Rated)
Find an integer, Consecutive Xor, Lucky Numbers, Append for OR
Starters 74 Division 3 (Rated)
Chef And Babla, Lcm hates Gcd, Minimal Inversions, Odd Even Binary String
Starters 75 Division 3 (Rated)
Equal Hamming Distance, Prefix Ones, Three Powers of Two, Two Ranges
February Cook-Off 2023 Division 2 (Rated)
Take Not Less, Bi_lindrome!, Permutation and Modulus
Starters 77 Division 2 (Rated)
Concat Palindrome, Three Numbers
Starters 78 Division 2 (Rated)
Bitwise Equation, Valid Expression
Starters 79 Division 2 (Rated)
One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Starters 80 Division 2 (Rated)
Permutation Subsequence, Prefix Permutation, Equal Elements
Starters 82 Division 2 (Rated)
Find eX, Make A-B Same, Reach Home, MIN To MAX, Candy Division
Starters 84 Division 2 (Rated)
Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Starters 85 Division 2 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium
Starters 87 Division 2 (Rated)
Existence, AB plus C
Starters 83 Division 2 (Rated)
Construct String, Order by XOR
Starters 89 Division 2 (Rated)
Plus 2 or Minus 1, Positive or Negative Subarrays
Starters 90 Division 2 (Rated)
Crushed Apples and a Balance Scale, Printing Binary Array, Anti Palindrome
Starters 91 Division 2 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 92 Division 2 (Rated)
Rectangular Tiling, Distance Coloring, Dotify Playlist
Starters 98 Division 2 (Rated)
3-Blast Palindrome, Airport Management, Ball Distribution
Starters 99 Division 2 (Rated)
Card Swipe, Exclusion-Inclusion
Starters 101 Division 2 (Rated)
Warrior Chef, Lockpicking Chef
Starters 103 Division 2 (Rated)
Divisible By 8, Dice Number
Starters 105 Division 2 (Rated)
Take it Easy, Dull Operation, Wishcraft
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers
August Long 2023 Division 2 (Unrated)
Codechef Copy, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
Starters 113 Division 2 (Rated)
Minimise Maximum Subarray Sum, Make All Equal, Maximum Score , Sum Neq
Starters 114 Division 2 (Rated)
Game on Array, Rock-Paper-Scissors, Christmas Candy
Starters 115 Division 2 (Rated)
Greedy LIS Algorithm, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree
Starters 116 Division 2 (Rated)
Chef Product, ORST , Access Control
Starters 117 Division 2 (Rated)
Equality Etiquette, Not Prime Permutation, Spell Shortening
Starters 118 Division 2 (Rated)
Subset GCD, Join States, Xorry 2, Xorry 1
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum, Unalike Gcd & Lcm
Starters 120 Division 2 (Rated)
Find Permutation , Count Subarrays, Count Arrays, Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Split And Maximize, Caesar Cipher Lite, Anti Adjacent Swaps
Starters 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 123 Division 2 (Rated)
Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Swap and Unite, Make It One
Starters 125 Division 2 (Rated)
Bucket Game, Operating on A, Fake Certificate, Binary Minimal
Starters 127 Division 2
ABC Conjecture, Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array