【PAT甲】1005 Spell It Right (20分),数字转字符串函数 s = to_string(sum)
problem1005SpellItRight(20分)Givenanon-negativeintegerN,yourtaskistocomputethesumofallthedigitsofN,andoutputeverydigitofthesuminEnglish.InputSpecification:Eachinputfilecontainsonetestcase.Eachcaseoccup