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1497
Long root
Medium
1498
KMP
1499
Lines
Very easy
1500
Cyclic string
Easy
1501
Conic Distance
1502
Center of Masses
Very easy
1503
Circum Triangle
Easy
1504
Maximal Quadrilateral
Very easy
1505
Segments intersection - 2
Easy
1506
Crossed Ladders
1507
The Laurel-Hardy Story
1508
Rose windows
1509
Kingdom Division
1510
Circle through three points
Very easy
1511
Cake Division
Very easy
1512
Farey sequences
1513
Pre, in and post
1514
Hidden Truth in Recurrence
Very easy
1515
Repeated Josephus
Very easy
1516
Constructing BST
Very easy
1517
Simple Addition
Easy
1518
Triangle Partitioning
Very easy
1519
Gray codes
1520
Odd Divisors
Easy
1521
Optimal Matrix Multiplication - 2
Very easy
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