poj1961Periodkmp求出fail数组后,前i个的重复子串就是i-fail(i)[crayon-6767e6dc02b6e304576954/]poj1276 CashMachine用f(i,j)表示前i种面值,达到j的面值和,所需要的第i种钞票的最少数量[crayon-6767e6dc02b8d240880653/]poj1702 Eva'sBalance先把n转为3进制,若p位为2,就在左盘放3^p,进位若p位为1,就在右盘放3^p[crayon-6767e6dc02b93963621619/]poj1273 DrainageDitches大名鼎鼎的草地排水,网络流模板[crayon-6...
Hamedhasrecentlyfoundastringtandsuddenlybecamequitefondofit.Hespentseveraldaystryingtofindalloccurrencesoftinotherstringshehad.Finallyhebecametiredandstartedthinkingaboutthefollowingproblem.Givenastringshowmanywaysaretheretoextractk ≥ 1non-overlappingsubstringsfromitsuchthateachofthemcontainsstringtasasubstring?Moreformally,youneedtocalculatethenumberofwaystochoosetwosequencesa1, a2, ......
PolarbearsMenshykovandUsladafromthezooofSt.PetersburgandelephantHoracefromthezooofKievgotholdoflotsofwoodencubessomewhere.Theystartedmakingcubetowersbyplacingthecubesoneontopoftheother.Theydefinedmultipletowersstandinginalineasawall.Awallcanconsistoftowersofdifferentheights.Horacewasthefirsttofinishmakinghiswall.Hecalledhiswallanelephant.Thewallconsistsofwtowers.Thebearsalsofinishedm...
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