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7 lines
154 B
Plaintext
7 lines
154 B
Plaintext
LCA of 2 and 6 is 3.
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8 is an ancestor of 1.
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ERROR: 9 is not found.
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ERROR: 12 and -3 are not found.
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ERROR: 0 is not found.
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ERROR: 99 and 99 are not found.
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