
DescriptionThoughZCChasmanyFans,ZCChimselfisacrazyFanofacoder,called"Memset137".ItwasonCodefires(CF),anonlinecompetitiveprogrammingsite,thatZCCknewMemset137,andimmediatelybecamehisfan.Butwhy?BecauseMemset137cansolveallprobleminrounds,withoutunsuccessfulsubmissions;hisestimationoftimetosolvecertainproblemissoaccurate,thathecansurelygetanAcceptedthesecondhehaspredicted.Hesoon...

Manyyearshavepassed,andnfriendsmetatapartyagain.Technologieshaveleapedforwardsincethelastmeeting,cameraswithtimerappearedandnowitisnotobligatoryforoneofthefriendstostandwithacamera,and,thus,beingabsentonthephoto.Simplyspeaking,theprocessofphotographingcanbedescribedasfollows.Eachfriendoccupiesarectangleofpixelsonthephoto:thei-thoftheminastandingstateoccupiesawipixelswideandahipixelshighrectang...

ATMsofawell-knownbankofasmallcountryarearrangedsothattheycannotgiveanyamountofmoneyrequestedbytheuser.Duetothelimitedsizeofthebilldispenser(thedevicethatisdirectlygivingmoneyfromanATM)andsomepeculiaritiesoftheATMstructure,youcangetatmostkbillsfromit,andthebillsmaybeofatmosttwodistinctdenominations.Forexample,ifacountryusesbillswithdenominations10,50,100,500,1000and5000burles,thenatk = ...
![「BZOJ2590」[Usaco2012 Feb] Cow Coupons](http://hzwer.com/wp-content/themes/ly/image/image_post/2014-12-10_12-44-53.jpg)
DescriptionFarmerJohnneedsnewcows!ThereareNcowsforsale(1<=N<=50,000),andFJhastospendnomorethanhisbudgetofMunitsofmoney(1<=M<=10^14).CowicostsP_imoney(1<=P_i<=10^9),butFJhasKcoupons(1<=K<=N),andwhenheusesacoupononcowi,thecowcostsC_iinstead(1<=C_i<=P_i).FJcanonlyuseonecouponpercow,ofcourse.WhatisthemaximumnumberofcowsFJcanafford?PROBLEMN...

Leonidwantstobecomeaglasscarver(thepersonwhocreatesbeautifulartworksbycuttingtheglass).Healreadyhasarectangularwmm × hmmsheetofglass,adiamondglasscutterandlotsofenthusiasm.Whathelacksisunderstandingofwhattocarveandhow.Inordernottowastetime,hedecidedtopracticethetechniqueofcarving.Todothis,hemakesverticalandhorizontalcutsthroughtheentiresheet.Thisprocessresultsinmakingsmallerrectangularfra...

VinhworksforanATMmachinemanufacturingcompany.ThebasicfunctionalityofanATMmachineiscashwithdrawal.WhenauserrequestsacashwithdrawalofWVND(VietnameseDong),theATMhastodispenseNmoneynotessuchthattheysumuptoW.ForthenextgenerationofATMmachine,VinhisworkingonanalgorithmtominimizethenumberNofmoneynotesforeachcashwithdrawaltransaction.YourtaskistohelpVinhtodohisjobgiventhatthemon...
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