BINARY TREE ZIGZAG LEVEL ORDER TRAVERSAL +========+ Time: 30 minutes - 1 hour Difficulty: Medium Languages: Any +========+ Given the root of a binary tree, implement a function that performs a zigzag level-order traversal of the tree and return a list of lists of the nodes at each level. +========+ Please answer to this message with your solution 🙂
BINARY TREE ZIGZAG LEVEL ORDER TRAVERSAL +========+ Time: 30 minutes - 1 hour Difficulty: Medium Languages: Any +========+ Given the root of a binary tree, implement a function that performs a zigzag level-order traversal of the tree and return a list of lists of the nodes at each level. +========+ Please answer to this message with your solution 🙂
BY Programming Challenges
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The global forecast for the Asian markets is murky following recent volatility, with crude oil prices providing support in what has been an otherwise tough month. The European markets were down and the U.S. bourses were mixed and flat and the Asian markets figure to split the difference.The TSE finished modestly lower on Friday following losses from the financial shares and property stocks.For the day, the index sank 15.09 points or 0.49 percent to finish at 3,061.35 after trading between 3,057.84 and 3,089.78. Volume was 1.39 billion shares worth 1.30 billion Singapore dollars. There were 285 decliners and 184 gainers.
How to Use Bitcoin?
n the U.S. people generally use Bitcoin as an alternative investment, helping diversify a portfolio apart from stocks and bonds. You can also use Bitcoin to make purchases, but the number of vendors that accept the cryptocurrency is still limited. Big companies that accept Bitcoin include Overstock, AT&T and Twitch. You may also find that some small local retailers or certain websites take Bitcoin, but you’ll have to do some digging. That said, PayPal has announced that it will enable cryptocurrency as a funding source for purchases this year, financing purchases by automatically converting crypto holdings to fiat currency for users. “They have 346 million users and they’re connected to 26 million merchants,” says Spencer Montgomery, founder of Uinta Crypto Consulting. “It’s huge.”
