¹¤×÷ß^(gu¨°)³Ì£ºÓÂ÷ËÍÅc±ÈÝ^Ö¸Áî×÷º†(ji¨£n)Ò×ËÄŒÓÉý½µ™CµÄ×Ô„Ó(d¨°ng)¿ØÖÆ¡£ÒªÇó£º1£©Ö»ÓÐÔÚÉý½µ™CÍ£Ö¹•r(sh¨ª)£¬²ÅÄܺô½ÐÉý½µ™C£»2£©Ö»ÄܽÓÊÜÒ»ŒÓºô½ÐÐÅÌ–£¬ÏȰ´Õ߃ž(y¨u)ÏÈ£¬ºó°´Õߟo(w¨²)Ч£»3£©ÉÏÉý¡¢Ï½µ»òÍ£Ö¹×Ô„Ó(d¨°ng)ÅЄe£»4£©Éý½µ™CÉÏÉýÒ»ŒÓËùÐèµÄ•r(sh¨ª)égžé2S¡£
I/O·ÖÅ䣺
X1¡«X4£ºÒ»¡«ËČӺô½ÐÐÅÌ–
Y0£ºÉÏÉý
Y1£ºÏ½µ
˼··ÖÎö£ºÓÃD0Ó›ä›Éý½µ™C®”ǰËùÔژnjӣ¬ÓÃD1ӛ䛺ô½Ð˜ÇŒÓ£¬Í¨ß^(gu¨°)±ÈÝ^Ö¸Áî±ÈÝ^D0ÅcD1¼´¿É¸ù“þ±ÈÝ^½Y¹û×÷³öÉÏÉý»òϽµµÄÅДࡣ
