Задачи
Spiral#841
Лесно · Implementation
The prime factors#842
Лесно · Prime factorization · Implementation
Permutation of letters#843
Много лесно · Combinatorics
Moneybox#844
Много лесно · Dynamic programming
The card and envelope#845
Средно · Implementation
Long product#846
Средно · Math
Snake#847
Много лесно · Implementation
Perfect numbers#848
Лесно · Implementation
Decomposition into terms#849
Много лесно · Brute force
Gangsters#850
Много лесно · Dynamic programming
The area of a polygon#851
Много лесно · Geometry
Long division on a short number#852
Много лесно · Implementation
Sereja and Array#853
Много лесно · Stacks
Amicable numbers#854
Лесно · Implementation
Brackets (2)#855
Много лесно · Brute force
Route 2#856
Много лесно · Dynamic programming
Convex hull#857
Много лесно · Convex Hull
Birthday#858
Много лесно · Implementation
Sums#859
Много лесно · Dynamic programming
The game of "Date"#860
Лесно · Implementation · Brute force
Matrix Summation#861
Много лесно · Prefix Sums · Implementation
Message#862
Лесно · Dynamic programming · Math
Line and squares#863
Много лесно · Geometry
SMS#864
Много лесно · Dynamic programming
Arc on the sphere#865
Много лесно · Geometry