fireworks99

keep hungry keep foolish

最小生成树の计数

HDU 4408 Minimun Spanning Tree (Count) 2020-04-07

HDU 4305 Lightning(Count spanning trees) 2020-04-06

SPOJ Highways and Find the Determinant lll(Count the spanning trees) 2020-04-06

UVA 10766 Organising the Organisation(Count spanning tree) 2020-04-05

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