6.12
13
6.23
14
6.9
cÓïÑÔº¯ÊýfµÄ¶¨ÒåÈçÏ£º int f (int x,*py,**ppz){ **ppz+=1;*py+=2;x+=3;return x+*py+**ppz; }
±äÁ¿aÊÇÒ»¸öÖ¸ÏòbµÄÖ¸Õ룻±äÁ¿bÊÇÒ»¸öÖ¸ÏòcµÄÖ¸Õ룬¶øcÊÇÒ»¸öµ±Ç°ÖµÎª4µÄÕûÊý±äÁ¿¡£Èç¹ûÎÒÃǵ÷Óà f£¨a£¬b£¬c£©£¬·µ»ØÖµÊÇʲô£¿
µ÷ÓõÄ˳Ðò²»ÕýÈ·£¬Ó¦¸ÃÊÇf(c,b,a)²Å·ûºÏº¯ÊýµÄ¶¨Ò壬·ñÔò±àÒëÊÇͨ²»¹ýµÄ¡£³ý·Çµ÷ÓÃʱ½øÐÐÇ¿ÖÆ×ª»»¡£
Èç¹ûÇ¿ÖÆ×ª»»ÒÔºóµ÷Óã¬fº¯ÊýÄÚ£¬ppzÊÇÐβΣ¬ÊǸöÕûÊýÖ¸ÕëµÄÖ¸Õ룬¶øppzµÄʵ²ÎÊÇc£¬ËüµÄÖµ¾ÍÊÇ4£¬Ö¸ÏòµÄµØÖ·¿Õ¼ä¾ÍÊÇ´íÎóµÄ¡£pyµ¹ÊÇ¿ÉÒÔ£¬Êµ²ÎΪb£¬Ö¸Ïòc£¬*pyµÄÖµ¾ÍÊÇcµÄÖµ£¬Îª4¡£xµÄʵ²ÎÊÇa£¬Êµ¼ÊÉÏÊǸöÕûÊýÖ¸ÕëµÄÖ¸Õ룬º¯ÊýÄÚµ±×öÕûÊýÀ´Ó㬵«ÊÇËüµÄÖµÊDz»È·¶¨µÄ¡£
Èç¹û°´ÕÕf(c,b,a)µÄ˳Ðòµ÷Óã¬**ppz+=1ºó£¬c=*b=**a=5£»*py+=2ºó£¬c=*b=**a=7£¬x+=3ºó£¬x=7£¬¶øc=*b=**a=7£¬£¨ÕâÊÇÒòΪxΪֵ´«µÝ£¬¸Ä±äcûÓиıäx£¬¸Ä±äxҲûÓиıäc£©×îÖÕ·µ»ØµÄÊÇ7+7+7=21¡£
µÚÆßÕÂ
15
7.13 CÓïÑÔµÄforÓï¾äÓÐÏÂÁÐÐÎʽ£º
For£¨e1;e2;e3£©stmt ËüºÍe1£» while(e2)do begin stmt; e3 end
7.14
16