鏁版嵁緇撴瀯絎笁绔犲簲鐢ㄩ鍙?qiáng)鍙傝€冪瓟妗圼5]_璺ㄨ€冪綉

1. 鐢ㄤ竴涓暟緇?/span>S錛堣澶у皬涓?/span>MAX錛変綔涓轟袱涓爢鏍堢殑鍏變韓絀洪棿銆傝璇存槑鍏變韓鏂規(guī)硶錛屾爤婊?/span>/鏍堢┖鐨勫垽鏂潯浠訛紝騫剁敤C鎴?/span>PASCAL璁捐鍏敤鐨勫叆鏍堟搷浣?/span>push錛?/span>i錛?/span>x錛夛紝鍏朵腑i涓?/span>0鎴?/span>1錛岀敤浜庤〃紺烘爤鍙鳳紝x涓哄叆鏍堝€箋€傘€?a target="_blank">嫻欐睙澶у 1998 浜斻€?/span>2 (7鍒?/span>)銆?/span>

銆€銆€銆愬弬鑰冪瓟妗堛€?/span>

銆€銆€涓ゆ爤鍏變韓涓€鍚戦噺絀洪棿錛堜竴緇存暟緇勶級錛屾爤搴曡鍦ㄦ暟緇勭殑涓ょ錛屼袱鏍堥《鐩擱偦鏃朵負(fù)鏍堟弧銆傝鍏變韓鏁扮粍涓?/span>S[MAX]錛屽垯涓€涓爤欏舵寚閽堜負(fù)-1錛屽彟涓€涓爤欏舵寚閽堜負(fù)MAX鏃訛紝鏍堜負(fù)絀恒€?/span>

銆€銆€鐢?/span>C鍐欑殑鍏ユ爤鎿嶄綔push錛?/span>i錛?/span>x錛夊涓嬶細(xì)

銆€銆€const MAX=鍏變韓鏍堝彲鑳借揪鍒扮殑鏈€澶у閲?/span>

銆€銆€typedef struct node

銆€銆€{elemtype s[MAX]錛?/span>

銆€銆€int top[2]錛?/span>

銆€銆€}anode錛?/span>

銆€銆€anode ds;

銆€銆€int push(int i,elemtype x)

銆€銆€//ds涓哄閲忔湁MAX涓被鍨嬩負(fù)elemtype鐨勫厓绱犵殑涓€緇存暟緇勶紝鐢變袱涓爤鍏變韓鍏剁┖闂淬€?/span>i鐨勫€間負(fù)0鎴?/span>1錛?/span>x涓虹被鍨嬩負(fù)elemtype鐨勫厓绱犮€傛湰綆楁硶灝?/span>x鍘嬪叆鏍堜腑銆傚鍘嬫爤鎴愬姛錛岃繑鍥?/span>1錛涘惁鍒欙紝榪斿洖0銆?/span>

銆€銆€{if錛?/span>ds.top[1]-ds.top[0]==1錛?/span>{printf錛堚€滄爤婊?/span>\n鈥濓級錛?/span>return錛?/span>0錛夛紱}

銆€銆€switch錛?/span>i錛?/span>

銆€銆€{case 0錛?/span>ds.s[++ds.top[i]]=x錛?/span>break錛?/span>

銆€銆€case 1錛?/span>ds.s[--ds.top[i]]=x錛?/span>

銆€銆€return錛?/span>1錛夛紱}//鍏ユ爤鎴愬姛銆?/span>

銆€銆€}

銆€銆€

銆€銆€2. 綆€榪頒笅鍒楃▼搴忔鐨勫姛鑳姐€?/span>

銆€銆€PROC algo(VAR S : stack; k:integer);

銆€銆€VAR T: stack; temp: integer;

銆€銆€WHILE NOT empty(S) DO

銆€銆€[temp:=POP(S); IF temp<>k THEN PUSH(T,temp)];

銆€銆€WHILE NOT empty(T) DO [temp:=POP(T);PUSH(S,temp)];

銆€銆€銆?a target="_blank">灞變笢縐戞妧澶у 2002 涓€銆?/span>1錛?/span>4鍒嗭級銆?/span>

銆€銆€銆愬弬鑰冪瓟妗堛€?/span>

銆€銆€鏈▼搴忔鏌ユ壘鏍?/span>S涓湁鏃犳暣鏁頒負(fù)k鐨勫厓绱狅紝濡傛湁錛屽垯鍒犻櫎銆傞噰鐢ㄧ殑鍔炴硶浣跨敤鍙︿竴涓爤T銆傚湪S鏍堝厓绱犻€€鏍堟椂錛岃嫢閫€鏍堝厓绱犱笉鏄暣鏁?/span>k錛屽垯鍘嬪叆T鏍堛€傞亣鏁存暟k錛?/span>k涓嶅叆T鏍堬紝鐒跺悗灝?/span>T鏍堝厓绱犲叏閮ㄩ€€鏍堬紝騫朵緷嬈″帇鍏ユ爤S涓紝瀹炵幇浜嗗湪S涓垹闄ゆ暣鏁?/span>k鐨勭洰鐨勩€傝嫢S涓棤鏁存暟k錛屽垯鍦?/span>S閫€鎴愮┖鏍堝悗錛屽啀灝?/span>T鏍堝厓绱犻€€鏍堬紝騫朵緷嬈″帇鍏?/span>S鏍堛€傜洿鑷?/span>T鏍堢┖銆傝繖鍚庝竴縐嶆儏鍐典笅S鏍堝唴瀹規(guī)搷浣滃墠鍚庝笉鍙樸€?/span>