Scalaã®ãããªé¢æ°åè¨èªã¯ãæ°å¦çãªçºæ³ã§ä½ããã¦ããããã§ã æ°å¦ã®åé¡ã解ãã®ã¯å¾æã ããã»ã»ã»ã¨ãããã¨ã§ã åå¼·ã¤ãã§ã«ç°¡åãªã³ã¼ããæ¸ãã¦ã¿ã¾ãã...Ï(ï½¥Ïï½¥ï½) åé¡ ã³ã大æ°å¦ç§ 2011/2/28æ¾éåãã ããæ°åã«ãããéã«ä¸¦ã¹ãæ°åã足ãã¨ããè¨ç®ãã åææ°ï¼ä¸ããèªãã§ãä¸ããèªãã§ãåãæ°ï¼ã«ãªãã¾ã§ç¹°ãè¿ãã¨ãã ãã£ã¨ãè¨ç®åæ°ãè¦ããäºæ¡ã®æ°ãçããªãã ä¾ï¼ab+ba=123ã®å ´åã123+321=444ã§åææ°ãªã®ã§ã2åã¨ãªã ãããã³ã¼ãã使ã£ã¦è§£ããªãã°ã10ã99ã«ã¤ãã¦ã åé¡ã®è¨ç®ãç¹°ãè¿ãã®ãæ©ãã¯ã Rubyã®å ´å ã¾ãææ £ããRubyã§ã³ã¼ãã£ã³ã°ãããããScalaã§æ¸ãç´ãã ã¨ããäºå®ãªã®ã§ãããã¦å帰ã使ã£ã¦ã¾ã def reverse_num(num) num.to_s.reverse.to_i end def re
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