Problemler
Brackets#1994
Kolay · Data Structures
How can I help?#1995
Çok zor · Dynamic programming
Cupcakes#1996
Kolay · Math
Approaching by progression#1997
Çok kolay · Math
Tori#1998
Kolay · Geometry
Palindrome#1999
Zor · Strings
Minefield#2000
Zor · Greedy algorithms
Device Survey#2001
Çok kolay · Binary Search · Graphs
Pattern Coloring#2002
Kolay · Sorting · Prefix Sums
Cellular communication#2003
Zor · Graphs · Brute force
Routing#2004
Çok zor · Binary Search
Weighing 2#2005
Çok zor · Brute force · Combinatorics · Dynamic programming · Implementation · Graphs
Plus and xor#2006
Kolay · Bitmasks
Gift#2007
Orta · Graphs · Greedy algorithms
Tourist#2008
Orta · Binary Search
Points#2009
Kolay · Math
Mice and Cheese#2010
Kolay · Greedy algorithms · Sorting
Mutation#2011
Orta · Dynamic programming · Implementation
Sequence#2012
Çok kolay · Dynamic programming
Area of the hexagon#2013
Çok kolay · Geometry
Lucky Number#2014
Çok kolay · Implementation
Game XOR#2015
Zor · Games · Math · Combinatorics
Determinant of the matrix#2017
Kolay · Matrix
Minimal d-exponent#2018
Orta · Number theory · Brute force
Fibonacci sequence#2019
Orta · Hashing · Dynamic programming