博客

Problem Description We define a sequence F:⋅ F0=0,F1=1; ⋅ Fn=Fn−1+Fn−2 (n≥2).Give you an integer k, if a positive number n can be expressed by n=Fa1+Fa2+…+Fak where 0≤a1≤a2≤⋯≤ak, this positive numbe

Problem Description One day, Kaitou Kiddo had stolen a priceless diamond ring. But detective Conan blocked Kiddo’s path to escape from the museum. But Kiddo didn’t want to give it back. So, Kiddo aske

Problem Description The Chinese Zodiac, known as Sheng Xiao, is based on a twelve-year cycle, each year in the cycle related to an animal sign. These signs are the rat, ox, tiger, rabbit, dragon, snak

Problem Description A cubic number is the result of using a whole number in a multiplication three times. For example, 3×3×3=27 so 27 is a cubic number. The first few cubic numbers are 1,8,27,64 and 1

Problem Description Connecting the display screen and signal sources which produce different color signals by cables, then the display screen can show the color of the signal source.Notice that every

Problem Description Consider a network G=(V,E) with source s and sink t. An s-t cut is a partition of nodes set V into two parts such that s and t belong to different parts. The cut set is the subset