Preparing NOJ

B18020404 posted a solution to HDU2973

YAPTCHA

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2019-08-06 12:08:08
B18020404 posted a solution to CF1156C

Match Points

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2019-07-30 12:12:16
B18020404 posted a solution to UVA11995

I Can Guess the Data Structure!

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2019-07-26 12:35:20
B18020404 joined NOJ
2019-06-13 19:51:05