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package org.gamboodle.vsf;



    public static String equation = "((x^2)+3)";
	   

    public static void main(String[] args) {
        //checkForParenthesis(equation);
        System.out.println(checkForParenthesis(equation, 1));
    }
   
    public static String checkForParenthesis(String s, int n) {
        String equationNew = "";
        int openParenth = 0;
        int closedParenth = 0;
        for(int i = 0; i < s.length(); i++) {
            if(s.charAt(i) == '(') {
                openParenth++;
            }
            if(s.charAt(i) == ')') {
                closedParenth++;
            }
            if(openParenth == closedParenth) {
                if(openParenth > n) {
                    equationNew = equationNew.substring(1);
                    equationNew = equationNew.substring(0, equationNew.length()-1);
                    checkForParenthesis(equationNew, (n-1));
                    equationNew = equationNew.substring(0, equationNew.length()-2);

                    checkForParenthesis(equationNew, (n));

                if(openParenth == n) {
                    equationNew = equationNew + s.charAt(i);
                    break;
                }
                if(openParenth < n) {
                    equationNew = equationNew + s.charAt(i);
                    break;
                }
            }
            equationNew = equationNew + s.charAt(i);
        }
        return equationNew;
    }
 
    public static String checkForExponants(String s) {
        return "^";
    }
   
}

1	-	package org.gamboodle.vsf;
1	+
2	-
2	+
3		public static String equation = "((x^2)+3)";
4	-
4	+
5		public static void main(String[] args) {
6		//checkForParenthesis(equation);
7		System.out.println(checkForParenthesis(equation, 1));
8		}
9
10		public static String checkForParenthesis(String s, int n) {
11		String equationNew = "";
12		int openParenth = 0;
13		int closedParenth = 0;
14		for(int i = 0; i < s.length(); i++) {
15		if(s.charAt(i) == '(') {
16		openParenth++;
17		}
18		if(s.charAt(i) == ')') {
19		closedParenth++;
20		}
21		if(openParenth == closedParenth) {
22		if(openParenth > n) {
23		equationNew = equationNew.substring(1);
24		equationNew = equationNew.substring(0, equationNew.length()-1);
25		checkForParenthesis(equationNew, (n-1));
26	-	equationNew = equationNew.substring(0, equationNew.length()-2);
26	+
27	-	checkForParenthesis(equationNew, (n));
27	+
28		if(openParenth == n) {
29		equationNew = equationNew + s.charAt(i);
30		break;
31		}
32		if(openParenth < n) {
33		equationNew = equationNew + s.charAt(i);
34		break;
35		}
36		}
37		equationNew = equationNew + s.charAt(i);
38		}
39		return equationNew;
40		}
41
42		public static String checkForExponants(String s) {
43		return "^";
44		}
45
46		}