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Copy pathKeyLogger.java
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51 lines (41 loc) · 1.5 KB
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import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Stack;
public class KeyLogger {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringBuilder sb = new StringBuilder();
int t = Integer.parseInt(br.readLine());
while(t-- > 0) {
String pwInput = br.readLine();
Stack<Character> st = new Stack<>();
Stack<Character> st2 = new Stack<>();
for (int i = 0; i < pwInput.length(); i++) {
switch (pwInput.charAt(i)) {
case '<':
if (!st.isEmpty()) st2.add(st.pop());
break;
case '>':
if (!st2.isEmpty()) st.add(st2.pop());
break;
case '-':
if (!st.isEmpty()) st.pop();
break;
default:
st.add(pwInput.charAt(i));
break;
} // 입력된 키(방향키, 화살표)에 따라
}
StringBuilder sb2 = new StringBuilder();
while(!st.isEmpty()) {
sb2.append(st.pop());
}
sb.append(sb2.reverse());
while (!st2.isEmpty()) {
sb.append(st2.pop());
}
sb.append("\n");
}
System.out.println(sb);
}
}