DescriptionFarmerJohngoestoDollarDaysatTheCowStoreanddiscoversanunlimitednumberoftoolsonsale.Duringhisfirstvisit,thetoolsaresellingvariouslyfor$1,$2,and$3.FarmerJohnhasexactly$5tospend.Hecanbuy5toolsat$1eachor1toolat$3andanadditional1toolat$2.Ofcourse,thereareothercombinationsforatotalof5differentwaysFJcanspendallhismoneyontools.Heretheyare:1@US$3+1@US$21@US$3+2@US$11@US$...
DescriptionBullsaresomuchbetteratmaththanthecows.Theycanmultiplyhugeintegerstogetherandgetperfectlypreciseanswers...orsotheysay.FarmerJohnwondersiftheiranswersarecorrect.Helphimcheckthebulls'answers.Readintwopositiveintegers(nomorethan40digitseach)andcomputetheirproduct.Outputitasanormalnumber(withnoextraleadingzeros).FJasksthatyoudothisyourself;don'tuseaspeciallibraryfunctionforthemulti...
近期评论