Citadel | Software Engineer | Coding | Online Assessment
Interview date
February 7, 2026
Company
citadel
Role
Software Engineer
Level
Unspecified
Region
Unspecified
Round type
Coding
Team/Org
General Hire
Stage
Online Assessment
Problem 2: Determine the number of ways to allocate n processes in n intervals without the same process being in consecutive intervals. Return this answer to the mod of 10^9 + 7 . Example 1: if n processes=1 and n intervals=2 , there is no way to allocate this without consecutive intervals of the same process. Example 2: if n processes=3 and n intervals=2 , this would be the total number of possibilities {(A, B), (A,...
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