1694.AnOldStoneGamef[x]表示x为根的树至少需要的石头,把子树按f排序后贪心即可[crayon-686b31536ea48743440653/]poj1738.AnoldStoneGame参见discuss的神算法,据说是knuth提出的?[crayon-686b31536ea59683996668/]1737.ConnectedGraph跪大爷http://blog.csdn.net/PoPoQQQ/article/details/43525019[crayon-686b31536ea67092896206/]1742.Coins二进制拆分+bitset竟然过不了...我被题解骗了突然一想这不是以前做过...
打了场莫名其妙的比赛150Youneedtoupdatethebalanceinyourcheckbook.Youknowyourstartingbalance,thetotalamountspentusingyourdebitcard,andthetotalvalueofchecksthathavebeenwritten.Returnyourendingbalance.a-b-c。。。[crayon-686b31538515d018884739/]500Preparinganationalbudgetinvolvessumsoflargenumbers.Thesenumbersshouldbeformattedinaniceway.Yourtaskis,givensomenicelyformattedcosts(inUSdollarsandcen...
近期评论