InterviewBit Problems   Paint House! : Solved

About the Paint House! : Solved category (1)
Simple C++ solution with modulo operator (1)
Simple Python solution in O(n) time and O(1) space (1)
Simple O(n) Top Down DP approach (1)
Paint House Solution (1)
Shortest Code C++, Time-O(n), Space-O(1) (1)
O(n) time, O(1) space for Paint House (1)
Question seems new on IB (1)