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black_men
Niger
Niger
Joined Nov 12, 2025
Achievements (1)
Problem Solver
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black_men solved problem Mobile tariff "Cents" (#1684) on first attempt23 days ago
black_men solved problem Rabbits in the cells (#1610) on first attempt24 days ago
black_men solved problem Subprojects (#92) on first attempt24 days ago
black_men solved problem Tale about an apple (#2060) on first attempt25 days ago
black_men solved problem Square Numbers (#2804) on 3 attempt29 days ago
black_men solved problem Triangles (#2400) on first attempt29 days ago
black_men solved problem Cutting into Squares (#2612) on 2 attempt1 month ago
black_men solved problem Amount of information (#2608) on first attempt1 month ago
black_men solved problem Chessboard (#2184) on 4 attempt1 month ago
black_men solved problem Wall (#2595) on 5 attempt1 month ago
black_men solved problem Pirates and Coins (#75) on first attempt2 months ago
black_men solved problem Test Work (#1690) on 10 attempt2 months ago
black_men solved problem Fire (#1686) on 2 attempt2 months ago
black_men solved problem Area (#12429) on 3 attempt2 months ago
black_men solved problem Sum of GCD (#6941) on first attempt2 months ago
black_men solved problem Side of the square (#1359) on first attempt2 months ago
black_men solved problem Back to High School Physics (#1543) on 3 attempt2 months ago
black_men solved problem Fortune Teller (#1461) on first attempt2 months ago
black_men solved problem Fibonacci subsequence (#2363) on 2 attempt3 months ago
black_men solved problem Fibonacci Again! (#1469) on first attempt3 months ago
black_men solved problem Fibonacci sequence (#2031) on first attempt3 months ago
black_men solved problem Fibonacci (#4730) on first attempt3 months ago
black_men solved problem Degree of symmetry (#19) on 2 attempt3 months ago
black_men solved problem Warm-up (#1160) on 3 attempt3 months ago
black_men solved problem Oddities (#6199) on first attempt3 months ago