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c20231020

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Accepted problems：51 problems

1 7 142 440 441 442 602 618 619 620 621 787 956 959 997 1167 1359 2773 2840 2848 3300 4058 4322 4827 4934 5175 5352 5463 5523 5530 5571 5651 5695 5749 6300 6319 6320 6331 6376 6638 7177 7519 7522 7564 21403 21529 21606 21740 21741 21743 22059

Tried problems：5 problems

188 249 464 786 6564

Authored problems：0 problem

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