srm_556_div2_250 simple

srm_556_div2_250.java

@@ -0,0 +1,22 @@
+import java.lang.*;
+
+public class ChocolateBar {
+	public int maxLength(String letters) {
+		int result = 1;
+		for (int i = 0; i < letters.length(); i++) {
+			for (int j = i+1; j <= letters.length(); j++) {
+				String temp = letters.substring(i,j);
+				if (isUnique(temp))
+					result = Math.max(temp.length(), result);
+			}
+		}
+		return result;
+	}
+
+	private boolean isUnique(String s) {
+		for (int i = 0; i < s.length(); i++)
+			for (int j = i+1; j < s.length(); j++)
+				if (s.charAt(i) == s.charAt(j)) return false;
+		return true;
+	}
+}