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Problems

Topics
Difficulty
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2293
March 8
Very easy
2294
Convex Hull
Hard
2295
How to Make Money
2296
The thread
Easy
2297
Biorhythms
Very easy
2298
Marbles
Easy
2299
Theodore Roosevelt
Easy
2300
Internal point
Easy
2301
A Needle in the Haystack
Very easy
2302
Nuts for nuts
Very easy
2303
Phone List
Very easy
2304
Horrible Queries
Very easy
2305
Windows (Easy)
Very easy
2306
Steps
Very easy
2307
The sum
Easy
2308
Stars
Very easy
2309
Windows
Easy
2310
And again the sum...
Very easy
2311
Matrix
Very hard
2312
Height of the Tree
Easy
2313
Number of elements
Very easy
2314
Second Maximum
Very easy
2315
Permutations (Easy)
2316
Print leaves
Very easy
2317
LCA offline (Easy)
Easy
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