B - perimeter length

2 secs 1024 MB
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テストケース名
test08.txt
test09.txt
test10.txt
test11.txt
test12.txt
sample00.txt
sample01.txt
sample02.txt
test00.txt
test01.txt
test02.txt
test03.txt
test04.txt
test05.txt
test06.txt
test07.txt