0030. Substring with Concatenation of All Words

Sliding Window + Hash Map — find all starting indices of concatenated substrings

Preset Examples
5x
Offset: -
Left: -
Right: -
Count: -
Needed: -
Window
Matched word
Excess word
Invalid word
Result match
String s

Target Frequency (wordFreq)

Current Window (seen)

Result indices: []
Log