Moustafa Mohamed

• Username: 4★m0d4
• Country:  Egypt
• Student/Professional:Student
• Institution:Al-Azhar University, Egypt Cairo, Egypt
• 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: 13

Current Ratings Graph Old Ratings Graph

1972 (-32)RatingProvisional
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Starters 91 Division 1 (Rated till 6 Stars)(2023-05-24 22:00:00)

Global Rank:   142

Cheated in:   

Ratings System Update

(2023-05-24 22:00:00)

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2004 (+17)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 69 Division 1 (Rated till 6-stars)(2022-12-20 00:00:00)

Global Rank:   149

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 (13)

CodeChef Starters 27 Division 4 (Rated)

Get Lowest Free, Distinct Binary Strings, The product mystery, Blackjack, Too many items, Shopping Change

CodeChef Starters 28 Division 4 (Rated)

Chef and Instant Noodles, Permutation Xority, Self Defence Training, Car Choice, Qualify the round, Count the Holidays

March Long One 2022, Division 4 (Rated)

Akash and Function, Akash and Missing Class, Discus Throw, Bath in Winters, Wordle

CodeChef Starters 30 Division 4 (Rated)

Chef and Water Bottles, Balanced Reversals, Chef and Chocolates, Swapping Chefs Way, Gift Shop and Coupon, Minimum Coloring

CodeChef Starters 31 Division 3 (Rated)

XOR and AND, Alternating String, Sign Moves, Mexy Array, The Unchanging OR, Group Assignment

March Lunchtime 2022 Division 3

Sad Splits, Winter, Minimum number of coins, Buy 2 Get 1 Free, Adjacency Love

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum

Starters 39 Division 2 (Rated)

Compress the Video, Crazy Substrings, Minimize Blocked Roads, Closest Vowels, Even Subarray XOR

Starters 40 Division 2 (Unrated)

Infinity Staircase, Good Pairs

Starters 41 Division 2 (Rated)

Equal Integers, Remove and Add, Is this priority or parity!, Path Parity

Starters 45 Division 2 (Rated)

Adjacent Sum Parity, Retrieve the Array, Xor and Multiply, Even Equal Odd, KBG and GN-Theory

Starters 55 Division 1 (Unrated)

Non Zero Xor, Balls and Boxes, OR Tuples

Starters 56 Division 1 (Unrated)

K-Subarrays

Starters 57 Division 1 (Unrated)

Maximum Expression, Two Different Palindromes, Even Splits, Delicious Queries, Tree and Divisors

Starters 66 Division 1 (Rated till 5-stars)

Good Binary Strings, Palindrome by Splitting, Connect All Cities

Starters 69 Division 1 (Rated till 6-stars)

Distinct Sequence

Starters 91 Division 1 (Rated till 6 Stars)

Odd GCD Permutation, Chef Odd, Maximum Sum Permutation

Total Problems Solved: 82