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Programming and DSA

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Practice Compete Compiler
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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

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Programming and DSA

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Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
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redstar31

Rookie League Rookie League
  • 6★redstar31
  •   North Korea
  • Student
  • University of Sciences, D.P.R Korea
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 11
2431 (+27)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 215 (Rated till 6 star)(2025-12-03 22:00:00)
Global Rank:   19
Cheated in:   

Ratings System Update

(2025-12-03 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)

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Practice Paths (0)

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Contests (11)

Starters 186 (Rated)

Distinct Arrays , Lighthouses, Mod and Make Y, Chess Win, Best Movie, Jump A or B, Segment Tree Reconstruction, Approval Ratings

Starters 187 (Rated)

Major Infection, OR What, Incremental Game, Distinct Representations

Starters 188 (Rated till 6 star)

Inversion Queries, Yet Another Monsters Problem, K Boxes, Swaps in a String, GCD and XOR 2 (Hard), GCD and XOR 2 (Easy)

Starters 189 (Rated till 5 star)

Number Walks, Blocks in a String, Sortable Subarrays (Hard), Create Binary String, Avoid Primes, Sortable Subarrays (Easy)

Starters 191 (Rated till 6 star)

Permuted Greater than 2, Grid Path (Easy), Coloured Array, XOR Shortest Path, Add 1 or 2

Starters 192 (Rated till 6 star)

Priority Customers (Easy), MinPath Minimize, Equate XY, No 3 Please!, Priority Customers (Hard)

Starters 193 (Rated for all)

Add Permutation

Starters 201 (Rated till 6 star)

Huge Grid (Easy Version)

Starters 208 (Rated till 6 star)

GCND

Starters 210 (Rated till 5-star)

Make All, First Element Counting, Median on Tree, Min Modular Subarray, Delete Sorted Subsequence

Starters 211 (Rated till 6 - star)

Tournament Rigging, Marching Orders, Subarray Maximums, No Doubling, Tournament Rigging (Minimum)

Starters 215 (Rated till 6 star)

Intersecting Intervals (Easy), Product Sum Arrays (Easy), Product Sum Arrays (Hard), Markers on a Tree (Easy), Markers on a Tree (Hard), Differing Values

Total Problems Solved: 82

2431
(Div 1)
★★★★★★
CodeChef Rating (Highest Rating 2491)
  • 115 Global Rank
  • 11 Country Rank

Skill tests

83%

C language skill test

Attempted on June 2025
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Badges

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

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