Meseleler
The Power of the Hero#1893
Örän ýeňil · Brute force
Caravans#1894
Örän ýeňil · Prefix Sums · Brute force
Who visits early in the morning#1895
Ýeňil · Graphs
Prince or Impostor#1896
Örän ýeňil · Strings · String suffix structures
Spinner Wheel#1897
Örän ýeňil · Probabilities
Tile Laying#1898
Örän ýeňil · Prefix Sums
Passage of the Corridor#1899
Ýeňil · Implementation
Game#1900
Orta · Games · Math
A very friendly group#1902
Ýeňil · Combinatorics · Bitmasks · Dynamic programming
Trees with an odd number of independent sets#1903
Orta · Dynamic programming
Maximum degree of a prime#1904
Kyn · Number theory
Minimum degree of prime#1905
Orta · Number theory
Anniversary#1906
Kyn · Math · Number theory
Trade#1907
Kyn · Graphs · Greedy algorithms
Grid#1908
Ýeňil · Geometry · Math
Drawing#1909
Orta · Dynamic programming · Probabilities · Combinatorics
Empire#1910
Örän ýeňil · Graphs
Reform#1911
Örän kyn · Graphs · Greedy algorithms
Constellation#1912
Ýeňil · Graphs
Gifts#1913
Örän kyn · Graph matchings · Dynamic Programming Optimization
ICPC#1914
Örän kyn · Graphs
Numbers#1915
Örän ýeňil · Implementation
English#1916
Ýeňil · Implementation
Diamond#1917
Ýeňil · Dynamic programming
Puzzle#1918
Ýeňil · Greedy algorithms · Sorting