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pidan

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2307

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2

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Accepted problems：39 problems

1197 2570 4054 4815 4923 5016 5034 5036 5094 5095 5097 5098 5171 5175 5241 5523 5955 6504 7523 7562 7566 7567 7773 7793 7854 7855 7868 7973 7979 8016 8017 8018 21650 21672 21728 21749 21807 21808 21809

Tried problems：8 problems

4918 5409 8013 21703 21705 21706 21726 21729

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