Train Problem I 列车问题一(HDU - 1022) 栈
As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the fastest all over the world ^v^). But here comes a problem, there is only .
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2020-08-15 10:56:42 ·
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