Alexander

• Username: 7★alexander86
• Country:  Germany
• Student/Professional:Professional
• Organisation:Friedrich-Alexander-Universität Erlangen-Nürnberg
• 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: 7

Current Ratings Graph Old Ratings Graph

2628 (+17)RatingProvisional
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December Challenge 2017(2017-12-11 15:00:00)

Global Rank:   31

Cheated in:   

Ratings System Update

(2017-12-11 15:00:00)

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2628 (+117)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2017(2022-12-20 00:00:00)

Global Rank:   31

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)

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Contests (7)

June Challenge 2017

Chef and Prime Queries, Persistent oak, Pairwise union of sets, Triplets, Xenny and Coin Rankings, Cloning, A Good Set, Saboteur (Challenge), Chef and the Feast

July Challenge 2017

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

August Long Challenge 2017

Chef and Rainbow Array, Flower Pots, Strings and Graphs, Greedy Candidates, Mathison and the Data Warehouse (Challenge), Palindromic Game, Walks on the binary tree, Hill Jumping, Chef and Mover, Chef And Fibonacci Array

September Challenge 2017

Little Chef and Sums, Fill The Matrix, Weasel does Xor on Tree, Minimum Good Permutation, Chef and Pick Digit, Sereja and Commands, Sum of Cubes

October Challenge 2017

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

November Challenge 2017

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

December Challenge 2017

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

Total Problems Solved: 84