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== Problem A == | == Problem A == | ||
solved by | solved by lhr & wx | ||
推公式 <math> ... </math> | |||
== Problem B == | |||
== lzwの总结 == | |||
太妙了,<math> 2^1</math> 居然等于2 | |||
感觉省赛好多sb题啊 | |||
我想了啥?这场我在干啥?感觉成了无情的敲键盘机器 | |||
数学对称妙啊 |