Christian Wallisch

• Username: 5★cwallisch
• Country:  Germany
• Student/Professional:Student
• Institution:Technical University of Berlin Germany
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 13

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2094 (-34)RatingProvisional
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Starters 195 (Rated till 5 star)(2025-07-16 22:00:00)

Global Rank:   92

Cheated in:   

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(2025-07-16 22:00:00)

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None(None)

Global Rank:   0

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Contests (13)

Starters 145 Division 4 (Rated)

Volume Comparison, Make Bob Win , Square String, Gun Master, Make My Array Equal

Starters 146 Division 2 (Rated till 5 stars)

Back Front, Bouncing Ball, Permutation Construction, Knockout tournament

Starters 150 (Rated till 6 stars)

Equal Pairs (Hard), Replacing Game

Starters 166 (Rated till 6 stars)

Divisors Array (Easy Version), Chefland Library, Costly Permutations, Distinct Power

Starters 167 (Rated till 5 stars)

Temperature Balance, Lottery Tickets, Grid Construction (Even), Grid Construction (Odd)

Starters 181 (Rated for all)

Flip Prefix, Tree Colouring (Hard), The Best Matrix

Starters 183 (Rated till 6 star)

Arbitrary Shuffling, Complete MST, S to T

Starters 184 (Rated till 5 star)

Adjacent OR, Front or Back, Double or Append

Starters 186 (Rated till 6 star)

Mod and Make Y, Segment Tree Reconstruction, Distinct Arrays

Starters 187 (Rated till 6 star)

OR What, Distinct Representations

Starters 188 (Rated till 6 star)

Swaps in a String, K Boxes, Inversion Queries, Yet Another Monsters Problem

Starters 194 (Rated for all)

Munchys Modulo, Good Arrays (Cyclic)

Starters 195 (Rated till 5 star)

String Deletions

Total Problems Solved: 45