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s = input() for i in range(len(s)): seen = set() for c in s[i:]: if c in seen: break seen.add(c) print(c, end="") print() This is pretty much the code i wrote that day, might not be exactly what i wrote that day but yeah i used sets and this loop logic
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Software Engineer L1

Interviewed at Infosys

3.6★
Feb 18, 2026

s = input() for i in range(len(s)): seen = set() for c in s[i:]: if c in seen: break seen.add(c) print(c, end="") print() This is pretty much the code i wrote that day, might not be exactly what i wrote that day but yeah i used sets and this loop logic

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