DescriptionAsarewardforrecordmilkproduction,FarmerJohnhasdecidedtostartpayingBessiethecowasmallweeklyallowance.FJhasasetofcoinsinN(1<=N<=20)differentdenominations,whereeachdenominationofcoinevenlydividesthenext-largerdenomination(e.g.,1centcoins,5centcoins,10centcoins,and50centcoins).Usingthegivensetofcoins,hewouldliketopayBessieatleastsomegivenamountofmoneyC(1<=C<=100,000...
Oneday,TwilightSparkleisinterestedinhowtosortasequenceofintegers a1, a2, ..., an innon-decreasingorder.Beingayoungunicorn,theonlyoperationshecanperformisaunitshift.Thatis,shecanmovethelastelementofthesequencetoitsbeginning:a1, a2, ..., an → an, a1, a2, ..., an - 1.HelpTwilightSparkletocalculate:whatistheminimumnumberofoperationsthatsheneedstosortthesequence?InputThefirst...
TwilightSparkleoncegotacrystalfromtheCrystalMine.Acrystalofsize n (n isodd; n > 1)isan n × n matrixwithadiamondinscribedintoit.Youaregivenanoddinteger n.Youneedtodrawacrystalofsize n.Thediamondcellsofthematrixshouldberepresentedbycharacter"D".Allothercellsofthematrixshouldberepresentedbycharacter"*".Lookattheexamplestounderstandwhatyouneedtodraw.InputTheonlylinecontain...
DescriptionLackingevenafifthgradeeducation,thecowsarehavingtroublewithafractionproblemfromtheirtextbook.Pleasehelpthem.Theproblemissimple:Givenaproperlyreducedfraction(i.e.,thegreatestcommondivisorofthenumeratoranddenominatoris1,sothefractioncannotbefurtherreduced)findthesmallestproperlyreducedfractionwithnumeratoranddenominatorintherange1..32,767thatisclosest(butnotequal)tothegivenfraction.找...
DescriptionWriteaprogramtocalculateintegersquareroots.InputTheinputisreadfromatextfilenamedsquint.in.Itsonlylineconsistsofaninteger0<=n<2^63.OutputItsonlylineconsistsofthesmallestnonnegativeintegerqsuchthatq^2>=n.SampleInput122333444455555SampleOutput11060446HINTsqrt(122333444455555)=11060445.038765619.题解直接sqrt(n)真是神题啊[crayon-676b913d1f574353357341/] ...
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