Missing Separators

2045H2200· master1s1024 MB⌨ stdin/stdout

#dp #sortings #string suffix structures #strings

Examples

Sample 1of 3

Input

ABACUS

Output

4
A
BA
C
US

Sample 2of 3

Input

AAAAAA

Output

3
A
AA
AAA

Sample 3of 3

Input

EDCBA

Output

1
EDCBA

2045H.cpp

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Ln 11·137 BGNU C++20 (64)