Nenad Đapić
- ndjapic
Serbia- Professional
- Osh Ivan Goran Kovacic
- No Active Plan. View Details
Activity Heat Map
Learning Paths (0)
Practice Paths (6)
1800 to 2000 difficulty problems
500 to 1000 difficulty problems
500 difficulty rating
Practice Python
2000 to 2500 difficulty problems
1600 to 1800 difficulty problems
Contests (109)
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks
February Challenge 2020 Division 2
Chef and Railway Stations, Expected Change, No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 1
Triple Sort, Chef and Bitwise Product
June Challenge 2020 Division 1
The Tom and Jerry Game!, Operations on a Tuple, Covid Sampling (Challenge)
July Challenge 2020 Division 1
Chefina and Swaps, Missing a Point
August Challenge 2020 Division 1
Subsequence Frequency Counting, Chefina and Strange Tree, Smallest KMP, Chef and Wedding Arrangements
December Challenge 2020 Division 1
Hail XOR, Calculus, String Operations, Positive Prefixes, Even Pair Sum
May Challenge 2021 Division 1 (Unrated)
Valid Paths, Tree House, An Interesting Sequence, Xor Equality, Tic Tac Toe, Modular Equation
June Challenge 2021 Division 1 (Unrated)
Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
July Challenge 2021 Division 1 (Unrated)
XxOoRr, Chef vs Bharat, Optimal Denomination, K Path Query
July Lunchtime 2021 Division 1
Longest Good Segment
CodeChef Starters 7 Division 1 (Unrated)
Ceiling Sum, Maximum Array Xor, Chess Format, Food Chain
August Challenge 2021 Division 1 (Unrated)
Special Triplets, Array Filling, Geometry 1, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
CodeChef Starters 8 Division 1 (Unrated)
Javelin Qualification, Penalty Shots
CodeChef Starters 9 Division 1 (Unrated)
Black cells in a chessboard, Large Square, Bus full of passengers, Fibonacci concatenation
CodeChef Starters 10 Division 2 (Rated)
Maximise the Subsequence Sum
September Challenge 2021 Division 2 (Unrated)
XOR Equal, Shuffling Parities, Minimize Digit Sum, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass, Covaxin vs Covishield, Minimum Digit Sum 2
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 11 Division 2 (Rated)
Positive Spewing, The Grid Fill Problem, Obtain the Sum
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Task Times, Diagonal movement, FIXFIX
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture
October Cook-Off 2021 Division 2
Odd Sum, Find the Modulus, 01 Subsequence
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu, Help Nishant
November Challenge 2021 Division 2 (Unrated)
Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper, Maximise the bridges
CodeChef Starters 17 Division 2 (Rated)
Binary Inversion, GCD of Prefixes, New Piece
CodeChef Starters 20 Division 2 (Unrated)
Stable Sequence
C.O.D.E.R.S Division 2 (Rated)
The One On The Last Night, The One with All the Candy, The One with Ross Wedding
FizzBuzz Division 3 (Rated)
Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach, Can You Eat It
November Lunchtime 2021 Division 2
Expected Weight, Strange Minimization, Rapid Re-Orderings
December Challenge 2021 Division 2 (Unrated)
Increasing String , Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Squares Counting
December Lunchtime 2021 Division 2
Maximum Trio, Romantic Reversals
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid, ChefWM, And Or Union
CodeChef Starters 22 Division 2 (Rated)
An Interesting Sequence, Even Subset Xor, Equal LIS
January Long 2022 - I, Division 2 (Unrated)
Prime in a binary string, Retrieve back the Array, Chef and Riffles
January Long 2022 - II, Division 2 (Unrated)
Power Sum, Sum and OR, Crying Colours
January Lunchtime 2022 Division 2
Subarray permutations, Prefix Zeros
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem
February Long 2022 - I, Division 2 (Unrated)
Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent, N Queens Puzzle Solved !
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, K Distinct Array, Points and Lines
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, Sequence GCD, Bitwise swaps, Xor Palindrome
CodeChef Starters 26 Division 2 (Unrated)
Careless Chef, Control the Pollution
CodeChef Starters 27 Division 2 (Rated)
Distinct Binary Strings, The product mystery
February Lunchtime 2022 Division 2
Four Equidistant Points on a Grid, Parallel Processing
CodeChef Starters 28 Division 2 (Rated)
Counting Pairs, Permutation Xority, Count the Holidays
March Long One 2022, Division 2 (Unrated)
Akash and Function, Subarray XOR, Substring of a Substring, Count the Ones, Exact Marks, MEX on Trees
CodeChef Starters 29 Division 2 (Rated)
String protocol, Plusle and Minun on Array, Increase 2 consecutive characters, Decomposition Reaction
March Long Two 2022, Division 2 (Unrated)
Missing Numbers, Same Parity Swaps in Binary Strings, Kostomuksha and AESC MSU
CodeChef Starters 30 Division 2 (Rated)
Minimum Coloring, Gift Shop and Coupon, Balanced Reversals
March Cook-Off 2022 Division 2
Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility
CodeChef Starters 32 Division 2 (Rated)
Maximize the Minimum, Finding Shoes, Training Plans, Flip Sorting
April Cook-Off 2022 Division 2
Sticks and Rectangles
CodeChef Starters 34 Division 2 (Rated)
Average Array, Binary String Xor, Good Permutation
Starters 35 Division 2 (Rated)
Jump to Sibling, Dark Light, Chef Find XOR Beautiful
Starters 36 Division 2 (Rated)
Buying Sweets, Reduce to 1, Presents for Cheffina
April Long Two 2022 Division 2 (Unrated)
Geometric Mean Inequality, Antipodal Points, Akash and Equal Mean, Flip to Invert, Chef And Division, Pseudo Sorted Array
May Cook-Off 2022 Division 2 (Rated)
Doubled Distances, Triple Inversions
Starters 37 Division 2 (Rated)
Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum, Too Mean
May Long One 2022 Division 2 (Unrated)
Mystical Numbers, Pushpa , The Magical Stone, Alternating Diameter, Four Arrays, The Attack of Queen
Starters 38 Division 2 (Rated)
A Bit Easy, Good Pairs, Average Gift, Circular Track
May Lunchtime 2022 Division 2 (Rated)
Bucket and Water Flow , Maximum Pairwise Modular Sum, Equal After And
Starters 39 Division 2 (Rated)
Compress the Video, Crazy Substrings, Closest Vowels, Even Subarray XOR
May Long Two 2022 Division 2 (Unrated)
Subsequence-Numbers Divisible by 7, Xor Palindrome, Subarrays with length, Make them Zero
Starters 40 Division 2 (Unrated)
Infinity Staircase, Or Permutation, Good Pairs
Starters 41 Division 2 (Rated)
Equal Integers, Remove and Add, Is this priority or parity!, Path Parity
June Long One 2022 Division 2 (Unrated)
Full Path Eraser, Reduce to zero, Divisible by i , Possible GCD, Alternate Additions, Equal Strings
Starters 43 Division 2 (Rated)
The Optimal Pairs, Distinct Palindrome
June Lunchtime 2022 Division 2 (Rated)
Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, Equal by XORing
June Long Two 2022 Division 2 (Unrated)
Gcd and Lcm , Count the ACs, AP Grid, Reversal Sorting, Strong Elements
July Long One 2022 Division 2 (Unrated)
Largest Square in the garden, Journey of the Knight, Game of Piles Version 1, Find A, B, C, Slow Solution
Starters 46 Division 2 (Rated)
Prime Xor, Vowel Anxiety, Array sorting, Sort the String
Starters 47 Division 2 (Rated)
Copy and Push Back, Similar Heights, End Sorted
July Lunchtime 2022 Division 2 (Rated)
Easy Pronunciation, Yet Another Palindrome Making Problem, Consecutive XOR, Maximum Median Matching, Largest Family
Starters 48 Division 2 (Rated)
Fill The Grid, Make Palindrome 2, Positive array, Accurate XOR
July Long Two 2022 Division 2 (Unrated)
Maximize Difference, Concat Sort, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2
Starters 49 Division 2 (Rated)
Split The String, High Frequency, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Air Blimp, Permutation GCD, Sum Product Segments, Average Permutation
Starters 51 Division 2 (Rated)
Chef & Cook Game, Adjacent Xors, Split N, Copy and Paste, Different Medians
August Long 2022 Division 2 (Unrated)
Angled Flip, XOR with smallest element, Hello Equation, Two Trains, Crazy Subsequences
Starters 52 Division 2 (Unrated)
Minimum Sum, WA Test Cases, K-Flip, Gritty Grid
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 53 Division 2 (Rated)
Black&White Ring Game, Make A and B equal
Starters 54 Division 2 (Unrated)
Equal Distinct, Subarray Game, K Flip
Starters 55 Division 2 (Rated)
Non Zero Xor, Balls and Boxes, Mean and Median, OR Tuples
September Long 2022 Division 2 (Unrated)
Distinct Numbers, Pokemon Battles, Interesting Subarray, Good Pairs
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
Starters 57 Division 2 (Unrated)
Maximum Expression, Even Splits, Two Different Palindromes
Starters 58 Division 2 (Unrated)
Break the elements, Equivalent Numbers
Starters 59 Division 2 (Rated)
Maximum Subarray , Suspense String, Confusing Concatenations
October Long 2022 Division 2 (Unrated)
Binary Substituition, Single Operation Part 1, Single Operation Part 2
Starters 60 Division 2 (Rated)
Distinct Numbers, Red Green Grids, Yet Another Palindrome Problem, Tax in Chefland, Palindrome Flipping
Starters 63 Division 2 (Rated)
Maximize 1s, One-XOR Deletions, Make Length 1, Minimum Absolute Score, Greedy Grid Moves
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies, Binod
November Long 2022 Division 2 (Unrated)
MaxEdges, Split and Maximize, Spliting Balls, Alice and the Array
Starters 66 Division 2 (Rated)
Good Binary Strings, Palindrome by Splitting, Just Like Mob!
Starters 68 Division 2 (Rated)
Boring String, XOR Product, Expense List, Interesting Array, Make Money
December Long 2022 Division 2 (Unrated)
Sum of Cube , Divisible by A_i, Gcd of Subarrays, Maximise XOR
January Long 2023 Division 2 (Unrated)
A Short Counting Problem, Asymmetric Swaps, Swap Shift, Maximum of GCDs, Symmetric Swaps, Minimize the Maximum, Array Halves
Starters 76 Division 2 (Rated)
Make Array Odd, Zero String, Expected Value, Construct Array, Not Divisible
Starters 77 Division 2 (Rated)
Concat Palindrome, K Increment Palindrome, Three Numbers
Starters 81 Division 2 (Unrated)
Good XOR, Distinct Matrix, Divide Pages
Starters 83 Division 2 (Rated)
Construct String, Order by XOR
Starters 88 Division 2 (Rated)
Maximum And Or, Chef and Asteroids, Unstable Subarray
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 93 Division 2 (Rated)
Break Free, Thank U, Next, Problem
Starters 94 Division 2 (Rated)
CodeChef Streak, Possible or Not, The Vowel Matrix
Starters 95 Division 2 (Rated)
Boxes, Transfusion Chain, EVacuate to Moon
Starters 96 Division 2 (Rated)
Swap the numbers, Mex Array, Remove Multiples
Starters 98 Division 2 (Rated)
3-Blast Palindrome, Airport Management, Ball Distribution
Starters 99 Division 2 (Rated)
Segment Three, Card Swipe, Exclusion-Inclusion
Starters 100 Division 2 (Rated)
Prime Permutation, Stamps 100, Concussive Sequence, Ant
Starters 102 Division 2 (Rated)
Parity Permutation, Light The Bulb, Bit Play, Array Sum
Starters 103 Division 1 (Rated till 6 Stars)
Chandelier, Unique xor, Divisible By 8
Starters 107 Division 1 (Rated till 6 Stars)
Maximal Expression, Adjacent Flips, OR Permutation
Starters 108 Division 1 (Rated till 6 Stars)
Palindromic Prime Numbers, Fair Distribution
Starters 109 Division 1 (Rated till 5 Stars)
Minimum XOR, Alter Ego, Chroma Swap
September Short 2023 Division 2 (Unrated)
GCD Discount, Lucky Seven, Slow Start, Mixing Extraordinaire
SQL Contest (Unrated)
First Problem on SQL, Number of Distinct Institutes, Div 2 Ranklist, Total Time
Starters 111 Division 1 (Rated till 6 Stars)
LCM Mania, Prefixing, Prime Range Game, Beautiful Strings
Starters 115 Division 1 (Rated)
Greedy LIS Algorithm
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 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Swap and Unite, Make It One
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
Palindromic Substrings, Ballon d Or
Starters 130 Division 2 (Rated)
Make Equal, Alternating Binary String, Good Binary String
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value, T-Perm
Starters 132 Division 2 (Rated)
ALIEN-OR, Optimal Flip, GAME 11
Starters 133 Division 2 (Rated)
Powered Parameters, Maximum Alternating Sum
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors, 3out1in
Starters 136 Division 1 ( Rated till 6-Stars )
Game On Rectangle, Lexicographically Maximal Prefix AND, Sum of Modes
Starters 138 Division 2 (Rated)
TRIPLE PRIMES, Prefix Suffix Inequality, Breezy Mode Problem, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Sum of N, Maximum Distance Permutations, Destroying Bridges Part 2
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat
Starters 141 Division 2 (Rated)
Redundant Array, Amphibian Escape
Starters 144 Division 2 (Rated)
Budget Allotment, Largest K
Starters 145 Division 2 (Rated)
Make Bob Win , Make My Array Equal
Starters 146 Division 2 (Rated till 5 stars)
Bouncing Ball, Permutation Construction, Knockout tournament
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement
Starters 166 (Rated)
Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library
Starters 167 (Rated)
Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Odd)