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caijianhong

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Accepted problems：119 problems

3 67 249 266 464 786 787 833 835 837 906 995 996 999 1084 1286 1814 1838 1841 1855 1869 1870 1877 1883 1963 2071 2134 2210 2266 2559 2570 3040 3195 3204 3301 4420 4431 4815 5017 5020 5029 5034 5048 5089 5100 5312 5357 5367 5368 5416 5434 5438 5440 5445 6126 6502 6842 7069 7219 7408 7475 7632 7766 7861 7963 7968 7969 7970 8049 8056 8074 8076 8077 8079 8106 8135 8211 8234 8235 8240 8541 8542 8557 8672 8701 8757 8781 8904 9141 9156 9159 9246 9300 9411 9420 9449 9463 9464 9465 9492 9518 9561 9562 9605 9639 9650 9681 9683 9845 9995 9996 10299 10405 21655 21807 21808 21809 21888 21889

Tried problems：6 problems

5309 8592 9682 9685 10148 21890

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