鏁版嵁緇撴瀯絎叚绔犲～絀洪鍙婄瓟妗圼14]_璺ㄨ€冪綉

聽聽聽聽聽聽聽聽 1錛庝笅闈嬌鐢ㄧ被pascal璇█鍐欑殑瀵逛簩鍙夋爲(wèi)榪涜鎿嶄綔鐨勭畻娉曪紝璇蜂粩緇嗛槄璇?/span>

銆€銆€TYPE pointer=^tnodetp;

銆€銆€tnodetp=RECORD data: char; llink,rlink: pointer錛?/span>END;

銆€銆€linkstack=^linknodet;

銆€銆€linknodet=RECORD data:pointer錛?/span> next;linkstack錛?/span>END;

銆€銆€PROC unknown (VAR t:pointer);

銆€銆€VAR p,temp錛?/span>pointer;

銆€銆€BEGIN p:=t;

銆€銆€IF p<> NIL THEN

銆€銆€[temp:=p^.llink 錛?/span>p^.llink:=p^.rlink;錛?/span>p^.rlink:=temp;

銆€銆€unknown(p^.llink); unknown(p^.rlink); ]

銆€銆€END;

銆€銆€鈶?/span> 鎸囧嚭璇ョ畻娉曞畬鎴愪簡浠€涔堝姛鑳?/span>

銆€銆€鈶?/span> 鐢ㄦ爤灝嗕互涓婄畻娉曟敼涓洪潪閫掑綊綆楁硶unknown1,鍏朵腑鏈夎嫢騫茶鍙ユ垨鏉′歡絀虹己璇峰湪絀虹己澶勫～鍐欎笂閫傚綋鐨勮鍙ユ垨鏉′歡

銆€銆€PROC inistack(VAR s:linkstack);

銆€銆€(1)_______; s^.next:=NIL;

銆€銆€ENDP;

銆€銆€FUNC empty (s:linkstack):boolean;

銆€銆€IF (2)_______THEN empty:=true ELSE empty:=false;

銆€銆€ENDF;

銆€銆€FUNC gettop(s:linkstack):pointer;

銆€銆€gettop:= (3)_______;

銆€銆€ENDF;

銆€銆€FUNC pop(VAR s:linkstack)錛?/span>pointer;

銆€銆€VAR p:linkstack;

銆€銆€pop:=s^.next^.data; p:=s^.next; (4)_______錛?/span>(5)_______;

銆€銆€ENDF;

銆€銆€PROC push (VAR s:linkstack;x:pointer);

銆€銆€VAR p:linkstack;

銆€銆€new(p); p^.data:=x; (6)_______; s^.next:=p;

銆€銆€ENDP;

銆€銆€PROC unknown1(VAR t:pointer);

銆€銆€VAR p,temp: pointer; finish: boolean;

銆€銆€BEGIN

銆€銆€inistack(s); finish:=false; p:=t;

銆€銆€REPEAT

銆€銆€WHILE p<> NIL DO

銆€銆€[temp:=p^.llink; p^.llink:=p^.rlink; p^.rlink:=temp;

銆€銆€(7)_______; p:=p^.llink; ];

銆€銆€IF (8)____THEN [p:=gettop(s);temp;=pop(s);] ELSE (9)_______

銆€銆€UNTIL (10)___

ENDP; 銆愬寳鏂逛氦閫氬ぇ瀛?/span> 2000 涓夈€?/span> (25鍒?/span>)銆?/span>

銆愬弬鑰冪瓟妗堛€?/span>

銆€銆€鈶?/span> 鏈畻娉曞皢浜屽弶鏍?wèi)鐨勫乏鍙冲瓙鏍?wèi)浜ゆ崲

銆€銆€鈶?/span> (1)new (s) //鍒濆鍖栵紝鐢寵緇撶偣 (2) s^.next=NIL銆€ //s鏄甫澶寸粨鐐圭殑閾炬爤

銆€銆€(3)s^.next^.data銆€//鍙栨爤欏跺厓绱?/span> (4)s^.next:= p^.next //鏍堥《鎸囬拡涓嬬Щ

銆€銆€(5)dispose(p)銆€銆€ //鍥炴敹絀洪棿 (6)p^.next:=s^.next銆€銆€//灝嗘柊緇撶偣鍏ラ摼鏍?/span>

銆€銆€(7)push(s,p^.rchild) //鍏堟部鏍?wèi)鐨勫乏鍒嗘敮鍚戜笅锛尀?/span>p鐨勫彸瀛愬コ鍏ユ爤淇濆瓨

銆€銆€(8)NOT empty(s) (9) finishe:=true //宸插畬鎴?/span> (10)finish=true 錛堟垨s^.next=NIL錛?/span>

銆€銆€

銆€銆€2錛庡叿鏈?/span>n涓粨鐐圭殑瀹屽叏浜屽弶鏍?wèi)锛屽凡缁彊搴搴忓瓨鍌ㄥ湪涓€緇存暟緇?/span>A[1..n]涓紝涓嬮潰綆楁硶鏄皢A涓『搴忓瓨鍌ㄥ彉涓轟簩鍙夐摼琛ㄥ瓨鍌ㄧ殑瀹屽叏浜屽弶鏍?wèi)銆傝濉叆閫傚綋鐨勮鍙ュ湪涓嬮潰鐨?/span>_______涓婏紝瀹屾垚涓婅堪綆楁硶銆?/span>

銆€銆€TYPE ar=ARRAY[1..n] OF datatype;

銆€銆€pointer=RECORD data:datatype; lchild, rchild: pointer; END;

銆€銆€PROCEDURE btree(VAR a: ar; VAR p:pointer);

銆€銆€VAR i:integer;

銆€銆€PROCEDURE createtree(VAR t: pointer;i: integer)

銆€銆€BEGIN (1)_______; t^.data=a[i];

銆€銆€IF(2)_____THEN creattree((3)_______) ELSE t^.lchild:=NIL;

銆€銆€IF(4)_____THEN createtree((5)_______) ELSE t^.rchild:=NIL;

銆€銆€END;

銆€銆€BEGIN

銆€銆€j:= (6)__; createtree(p,j)

銆€銆€END; 銆?a target="_blank">鍖椾含閭數(shù)澶у 1998 浜斻€?/span> (15鍒?/span>)銆?/span>

銆€銆€銆愬弬鑰冪瓟妗堛€?/span>

銆€銆€(1)new(t) (2)2*i鈮?/span>n銆€ (3)t^.lchild,2*i (4)2*i+1鈮?/span>n (5)t^.rchild,2*i+1 (6)1