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Grigoriy Firsov
Firsss21
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Languages
Java
219
problems solved
MySQL
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problems solved
JavaScript
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Advanced
Backtracking
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Dynamic Programming
x18
Divide and Conquer
x12
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Intermediate
Hash Table
x37
Database
x35
Tree
x33
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Fundamental
Array
x100
String
x53
Two Pointers
x33
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50 Days Badge 2022
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