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