L7_A
Related Problems on GF
Exponential GF for counting permutations
L7_B
Find the coefficient of xr
OGF v.s. EGF
L7_C
5 dashes and 8 dots permutation problem
L7_D
r-digit strings permutation problem
Title
第7講 Related Problems on GF
Video
L7_A
Syllabus
