Ahmed Salah

• Username: 5★ahmed_salah7
• Country:  Egypt
• Student/Professional:Student
• Institution:Faculty of Computers and Information - Cairo University
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 8

Current Ratings Graph Old Ratings Graph

2131 (+13)RatingProvisional
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Starters 145 Division 1 (Rated till 6-Stars)(2024-07-31 22:00:00)

Global Rank:   93

Cheated in:   

Ratings System Update

(2024-07-31 22:00:00)

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2039 (-59)RatingProvisional
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CodeChef Starters 25 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   187

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

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Learning Paths (0)

Practice Paths (3)

Number theory

8%

500 difficulty rating

1%

Practice for ZCO and INOI

1%

Contests (8)

January Long 2022 - I, Division 3 (Rated)

Prime in a binary string, Covid Spread, Chef and Riffles, Keplers Law

January Long 2022 - II, Division 3 (Rated)

TCS Examination, Chef and Fixed Deposits

CodeChef Starters 23 Division 3 (Rated)

Subarray Mex, Non Zero Subarray Xor, Maximising Vacations, Maximise the Minimum, Chef and Profits, Average of Three

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Yet Another Constructive Problem, Divisors and Reciprocals, Avoid Contact

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, K Distinct Array, Points and Lines

Starters 70 Division 1 (Rated till 6-stars)

X AND Y Tree, Two Counters, Prime Reversal, Frequency Array Retrieval

Starters 145 Division 1 (Rated till 6-Stars)

Beautiful Array, Make Bob Win , Square String

Total Problems Solved: 47