Viewing profile — thorwwaskeas

Since they used the tests this is not something you can do if you don't have a rich battery of tests. Perhaps many problems are something like finite automata and the program disco…

from collections import defaultdict def backspace(s1,s2): h = defaultdict(lambda:0) for x in s1: h[x] = h[x] + 1 for x in s2: h[x] = h[x] - 1 j = 0 maxj = len(s2) - 1 for x in s1: …