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Copy pathSolution.java
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56 lines (43 loc) · 1.53 KB
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import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
public class Solution {
public static boolean isIsomorphic(String s, String t) {
if (s.equals(t)) {
return true;
}
Map<Character, Character> keyMap = new HashMap();
Map<Character, Character> valueMap = new HashMap();
for (int i = 0; i < s.length(); i++) {
if (!keyMap.containsKey(s.charAt(i))){
keyMap.put(s.charAt(i), t.charAt(i));
}
if (!valueMap.containsKey(t.charAt(i))){
valueMap.put(t.charAt(i), s.charAt(i));
}
}
return true;
}
public static boolean backspaceCompare(String s, String t) {
StringBuilder sBuilder = new StringBuilder();
StringBuilder tBuilder = new StringBuilder();
for (int i = 0; i < s.length(); i++) {
if (s.charAt(i) != '#') {
sBuilder.append(s.charAt(i));
} else {
if (sBuilder.length() >= 1) sBuilder.deleteCharAt(sBuilder.length() - 1);
}
}
for (int i = 0; i < t.length(); i++) {
if (t.charAt(i) != '#') {
tBuilder.append(t.charAt(i));
} else {
if (tBuilder.length() >= 1) tBuilder.deleteCharAt(tBuilder.length() - 1);
}
}
return sBuilder.toString().equals(tBuilder.toString());
}
public static void main(String[] args) {
System.out.println(backspaceCompare("ab##", "c#d#"));
}
}