Hieroglyphs

UnratedFunction

English

Language

Statement

Hieroglyphs: original English statement, page 1

Hieroglyphs: original English statement, page 2

Hieroglyphs: original English statement, page 3

Sample input 1

6 5
0 0 1 0 1 2
2 0 1 0 2

Sample output 1

4
0 1 0 2

Sample input 2

3 2
0 0 2
1 1

Sample output 2

Sample input 3

3 3
0 1 0
1 0 1

Sample output 3

1
-1

This problem accepts only these languages.

C++20