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資源簡介

動(dòng)態(tài)規(guī)劃算法:從1到26分別對(duì)應(yīng)a-z的每一個(gè)字母,輸入一串?dāng)?shù)字的字符串,轉(zhuǎn)換為字母,輸出所有可能的字母序列。如123->abc、lc、aw 本資源是按照二叉樹的思想解決該問題。從字符串的頭部開始,每次可以取一個(gè)或者兩個(gè)數(shù)字進(jìn)行轉(zhuǎn)換,向左為取一個(gè),向右取兩個(gè),,,,

資源截圖

代碼片段和文件信息


public?class?Item?{
//指向父節(jié)點(diǎn)
private?Item?parent;

//該節(jié)點(diǎn)的字符串的值
private?String?key;
//轉(zhuǎn)義后的值
private?String?code;
//這個(gè)節(jié)點(diǎn)在字符串中的位置
//如1在123中index=012在123中index=1
private?int?index;

public?int?getIndex()?{
return?index;
}
public?void?setIndex(int?index)?{
this.index?=?index;
}
public?Item?getParent()?{
return?parent;
}
public?void?setParent(Item?parent)?{
this.parent?=?parent;
}
public?String?getKey()?{
System.out.println(key);
return?key;
}
public?void?setKey(String?key)?{
this.key?=?key;
}
public?String?getCode()?{
if(index?==?-1?||?!Main.map.containsKey(key)){
return?““;
}
return?Main.map.get(key);
}
public?void?setCode(String?code)?{
this.code?=?code;
}


}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????301??2018-05-05?00:29??guo\.classpath

?????文件????????379??2018-05-05?00:29??guo\.project

?????文件????????598??2018-05-05?00:29??guo\.settings\org.eclipse.jdt.core.prefs

?????文件???????1467??2018-05-05?01:57??guo\bin\Item.class

?????文件???????3240??2018-05-07?08:50??guo\bin\Main.class

?????文件????????800??2018-05-05?01:57??guo\src\Item.java

?????文件???????3046??2018-05-07?08:50??guo\src\Main.java

?????目錄??????????0??2018-05-07?08:51??guo\.settings

?????目錄??????????0??2018-05-07?08:51??guo\bin

?????目錄??????????0??2018-05-07?08:51??guo\src

?????目錄??????????0??2018-05-07?08:51??guo

-----------?---------??----------?-----??----

?????????????????9831????????????????????11


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