Square Tiling

432E2300· international master1s256 MB⌨ stdin/stdout

#constructive algorithms #greedy

Examples

Sample 1of 3

Input

1 3

Output

ABA

Sample 2of 3

Input

2 2

Output

AA
AA

Sample 3of 3

Input

3 4

Output

AAAB
AAAC
AAAB

432E.cpp

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Ln 11·137 BGNU C++20 (64)