1234567891011121314151617181920212223242526272829public class RansomNote { /** * Given an arbitrary ransom note strin...

12345678910111213141516171819202122232425262728293031323334353637383940414243public class SortColors { public void so...

1234567891011121314151617import java.util.HashMap;public class LongestSubstringWithoutRepeatingCharacters { public int ...

12345678910public class SingleNumber { public static void main(String[] args){ int i = 9; // 1001 int x = 1;...

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455import java.util.Stack;p...

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667...

12345678910111213141516import utils.ListNode;public class IntersectionofTwoLinkedLists { public ListNode getIntersectio...

12345678910111213141516171819202122232425262728293031323334353637import java.util.LinkedList;import java.util.List;public cla...

123456789101112131415161718192021222324252627282930313233343536373839import java.util.Arrays;public class RectangleArea {...

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556import utils.ListNode;...