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过了这个,基本就不会WA了,还有注意A可能大于B5 3 1000 P 1 5 C 2 3 2 P 1 5 C 2 4 3 P 1 5 C 3 5 2 P 1 5 C 2 3 1 P 1 5 C 1 3 2 P 1 5 C 4 4 3 P 1 5 最后应该是2 Followed by:
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