Long Beautiful Integer

1268A1700· expert3s256 MB⌨ stdin/stdout

#constructive algorithms #greedy #implementation #strings

Examples

Sample 1of 2

Input

3 2
353

Output

3
353

Sample 2of 2

Input

4 2
1234

Output

4
1313

1268A.cpp

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Ln 11·137 BGNU C++20 (64)