Ivan Dejkovic

• Username: 5★dejko95
• Country:  Serbia
• Student/Professional:Student
• Institution:Računarski fakultet u Beogradu
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 28

Current Ratings Graph Old Ratings Graph

2024 (-4)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2015(2015-09-14 15:00:00)

Global Rank:   652

Cheated in:   

Ratings System Update

(2015-09-14 15:00:00)

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?

2024 (+99)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2015(2022-12-20 00:00:00)

Global Rank:   652

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)

None

Practice Paths (0)

None

Contests (28)

November Challenge 2013

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

December Challenge 2013

Art in Digital Age, Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

January Challenge 2014

Magic Trick, Bon Appetit, Please like me, Chef and Feedback

January Cook-off 2014

Chef and the Cake I

February Cook-Off 2014

Chef and Remissness, Chef and Kingship, Chef and Reunion

June Cook-Off 2014

Counting Flags, Painting

July Cook-Off 2014

Copy-Paste, Sum Queries, Friends

August Cook-Off 2014

Tree Game, Permutation Shuffle

October Cook-Off 2014

The Army, Walk on the Axis, Mahesh and his lost array

December Cook-Off 2014

Matrix Again, Player, Good Joke!

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Team Split, Binary Tournament, Walk, Little Chef and Numbers, Mike and Stamps

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

June Challenge 2014

Chef and Subarray

July Challenge 2014

Garden Game, Chef and Frogs, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

October Challenge 2014

Remy paints the fence, Sereja and two strings, Chef and Ground, Chef and Painting, 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, Kali and Devtas, XOR with Subset, Chef and Apple Trees, Sereja and GCD, Good galaxy

January Challenge 2015

Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Ranka, Gcd Queries

January Cook-Off 2015

Suraj goes shopping, Tojo hates probabilities, Random Rudreshwar

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Jigsaw Puzzle Solving, Chef and Equality

March Challenge 2015

Count Substrings, Chef and Notebooks, Chef and Problems, Sereja and Random Array, Devu and his Class, Sign Wave, Matrix

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Steady tables, Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

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

September Challenge 2015

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Lighthouses, Cracking the Code

Total Problems Solved: 136