projecteuler---->problem=10----Summation of primes
title:Thesumoftheprimesbelow10is2+3+5+7=17.Findthesumofalltheprimesbelowtwomillion.翻译：10下面的质数的和为2+3+5+7=17。请求出200,0000下面全部质数的和。importmath,timedefisOk(a):foriinr...
1015 Reversible Primes (20 分)
A reversibleprime inanynumbersystemisaprimewhose"reverse"inthatnumbersystemisalsoaprime.Forexampleinthedecimalsystem73isareversibleprimebecauseitsreve...
pat 1015 Reversible Primes（20 分）
1015ReversiblePrimes（20分）Areversibleprimeinanynumbersystemisaprimewhose"reverse"inthatnumbersystemisalsoaprime.Forexampleinthedecimalsystem73isareversibleprimeb...
hdu 5901 Count primes (meisell-Lehmer)
TimeLimit:12000/6000MS(Java/Others) MemoryLimit:65536/65536K(Java/Others)TotalSubmission(s):2625 AcceptedSubmissio...
1015. Reversible Primes (20)
A reversibleprime inanynumbersystemisaprimewhose"reverse"inthatnumbersystemisalsoaprime.Forexampleinthedecimalsystem73isareversibleprimebecauseitsreve...