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my java solution:
import java.util.*; class Solution{
public static void main(String []argh) { Scanner sc = new Scanner(System.in); Stack<Character> myStack = new Stack<Character>(); while (sc.hasNext()) { String input=sc.next(); while(myStack.size() != 0){ myStack.pop(); } for(int i = 0; i < input.length(); i++){ char ch = input.charAt(i); if (myStack.size() != 0 && ((ch == ')' && myStack.peek() == '(') || (ch == '}' && myStack.peek() == '{') || (ch == ']' && myStack.peek() == '['))) { myStack.pop(); } else { myStack.push(ch); } } if(myStack.size() == 0){ System.out.println("true"); } else { System.out.println("false"); } } }
}
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Java Stack
You are viewing a single comment's thread. Return to all comments →
my java solution:
import java.util.*; class Solution{
}