help needed to solve CSES Word Combinations Problem.

Правка en1, от Danish_amin_01, 2020-08-06 21:34:39

https://cses.fi/problemset/task/1731 , Can someone explain me how to approach this problem?

Теги #cses, #string

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en2 Английский Danish_amin_01 2020-08-07 21:59:00 7 Tiny change: 'n someone explain ' -> 'n someone please explain '
en1 Английский Danish_amin_01 2020-08-06 21:34:39 143 Initial revision (published)