Base case condition not clear

#1

for input 5,4,3,2,1,-1 with k = 5 how will our DP array be initialized …??

#2

for the first k elements the dp array would be initialised to arr[i] itself
and max1 max2 would be calculated in the given range

watch out for the code here:

#3

if for the first k elements dp array would be same as arr[i] then there can be cases when both max1 and max2 are on invalid index’s (i.e | i-j | %k == 0

#4

why? can u state some example of why u say so

the above code passes all test case

#5

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