Roger Demello

• Username: 4★droger289
• Country:  India
• Student/Professional:Other
• 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

1814 (+17)RatingProvisional
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Starters 218 (Rated)(2025-12-24 22:00:02)

Global Rank:   441

Cheated in:   

Ratings System Update

(2025-12-24 22:00:02)

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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 (4)

Learn JavaScript

52%

Linked Lists

33%

Stacks and Queues

22%

Learn C

23%

Practice Paths (0)

None

Contests (5)

Starters 197 (Rated)

Independence Day, All Odd Prefix Sums, Bowling Balls, Split, Good Ranking (Pair)

Starters 198 (Rated)

Currency Exchange, Decoration Discount, Minimize Maximum Mex

Starters 201 (Rated)

Huge Grid (Easy Version), Mark Points, Mixing Liquids, Compare and Connect

Starters 204 (Rated)

Cities Colours, Minimize Sum, Drawing Chances

Starters 218 (Rated)

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

Total Problems Solved: 213