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CF
1554E
⊞ graph
2600
· international gm
5s
256 MB
⌨ stdin/stdout
#dfs and similar
#dp
#math
#number theory
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Examples
Sample 1
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2
3
2 1
1 3
2
1 2
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3 1 0
2 0
58%
1554E.cpp
GNU C++20 (64)
GNU C11
Python 3
PyPy 3
Java 21
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11
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137 B
GNU C++20 (64)
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