Discovered public repositories for ameapm2000 in the GitHub catalog.
Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some examples: ["2", "1", "+", "3", "*"] -> ((2 + 1) * 3) -> 9 ["4", "13", "5", "/", "+"] -> (4 + (13 / 5)) -> 6
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "([)]" are not.
Will return true in following case ("goodg","oodgg")
It will return duplicate number. (It only works if there is one duplicate)
Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Follow up: Can you solve it without using extra space?
Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space?
Public repository.
Reversing an integer
Public repository.
Public repository.
Public repository.
Android App