How many ways are there to arrange 10 distinct tasks of type A and 10 distinct tasks of type B in 7 slots?
92963
How many ways are there to arrange 10 distinct men and 10 distinct women on 7 seats, such that no 2 women are together?
43962
Penguin Brainteaser : 321-avoiding permutations
9218
How many ways to arrange ABCD such that A precedes B, and C precedes D
36455
Change a enumerated list to horizontal with Tasks
96585
Sums and permutation
60661
How to solve this combination problem quickly?
123137
Recursion: putting people into groups of 1 or 2
33912
Group with 380 elements is not simple.
40781
Organization and tidiness of multiple copies of layers?
32508
how many ways can the letters in ARRANGEMENT can be arranged
103896
n tasks assigned to n computers, what is the EX value of a computer getting 5 or more tasks?
111254
Maximum number of pieces of pizza when making 7 cuts
141090
Interview question: three arrays and O(N*N)
148776
A different approach in distributing $8$ distinct balls into $6$ distinct boxes
35957
Number of ways an answers sheet can be fill with at least two consecutive answers?
25283
Intermediate Text in Combinatorics?
85023
Permutation of n objects with restriction of adjacent pairs