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back to boardi had wa 22 for many times , & i finally found my fault & then got AC . my fault is that i didn't find the exact edge (with the same ci & ti & hi) it used . remember there are many different edges between a (ui , vi) . I've encountered another problem on case 22: the maxtime parameter in that case is not <= 1000000 (as the task description says it should be); it seems that maxtime = 1087380 for this test case. The incorrect test #22 has been fixed. |
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