Maximum length character | window sliding

#1

this code is copied form lecture but isme mere ko 2 statement samaj nii ayi

line 17 m : i-curr_len>last_occ
and line 23
ye staement kyu likhi h kya significance h inki ??

#2

Hi Anuj…
so in line 17 we are checking that (last_occ == -1 || i-curr_len>last_occ) this means either the character is occurring for the first time (last_occ == -1) ie it has not occurred till now…
i-curr_len>last_occ means this character might have occured previously but it was not in current answers range.
In line 23 we are finding the current length of substring ( curr_len = i-last_occ ) so i here is the current position and last_occ indicates the postion where the same character occured last

#3

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