Irfan Zaman

Silver League

• Username: 6★zaman_98
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Rajshahi University of Engineering & Technology Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 5

Current Ratings Graph Old Ratings Graph

2334 (+164)RatingProvisional
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Starters 219 (Rated till 5 star)(2025-12-31 22:00:00)

Global Rank:   1

Cheated in:   

Ratings System Update

(2025-12-31 22:00:00)

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NA? (+NA)RatingProvisional
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None(None)

Global Rank:   0

Cheated in:   

Ratings System Update

(None)

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Learning Paths (0)

Practice Paths (3)

1400 to 1600 difficulty problems

36%

1600 to 1800 difficulty problems

1%

1000 to 1400 difficulty problems

8%

Contests (5)

Starters 212 (Rated)

Exit Door, Signal, Binary Flip, Basketball Score

Starters 213 (Rated)

Mean Difference (Easy), Chef and String, Exun and the Pizzas, EXML Race, Separation, No 4 Please, Maximum Product Walk

Starters 217 (Rated)

Max Adds, Add 1 or 3, Add to make Positive, Range MEX, Make An AP, Tree Counting

Starters 218 (Rated)

Interest Accumulation, Collatz Conjecture (Hard), Collatz Conjecture (Easy), Deleting Array Again, Counting Optimal Arrays, Stop The Count

Starters 219 (Rated till 5 star)

Distance Sum, New Operation, 3 Paths , Ones and Zeroes II, Expected Product

Total Problems Solved: 75