Mathematics · Combinatorics
From a character string of length m containing distinct characters, the total number of non-empty contiguous substrings of all possible lengths that can be formed is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1m log(m)
- 2m(m + 1)2✓
- 3m
- 4m2
Correct answer
m(m + 1)2
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