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Welcome to Subscribe On Youtube: 379. Design Phone Directory. Design a Phone Directory which supports the following operations: get: Provide a number which is not assigned to anyone. check: Check if a number is available or not. release: Recycle or release a number.
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379. Design Phone Directory. 1. Question. Design a Phone Directory which supports the following operations: 1. get: Provide a number which is not assigned to anyone. 2. check: Check if a number is available or not.
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Design a Phone Directory which supports the following operations: get: Provide a number which is not assigned to anyone. check: Check if a number is available or not. release: Recycle or release a number. Example: // Init a phone directory containing a total of 3 numbers: 0, 1, and 2. PhoneDirectory directory = new PhoneDirectory(3); // It can.
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A Phone Directory can be designed using an array and a queue. The array stores whether a number is available. The queue stores the numbers that are not assigned to anyone. In the constructor, initialize the array and the queue. Initially, all elements in the array are true, and all numbers from 0 to maxNumbers - 1 are offered to the queue.
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Explanation: Initialization ( __init__ method): This method initializes the directory with a set of available numbers from 0 to maxNumbers-1 and an empty set of used numbers. Get a Number ( get method): This method provides an available number.
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Design a Phone Directory which supports the following operations: get: Provide a number which is not assigned to anyone. check: Check if a number is available or not. release: Recycle or release a number. Example: // Init a phone directory containing a total of 3 numbers: 0, 1, and 2. PhoneDirectory directory = new PhoneDirectory(3);
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// Init a phone directory containing a total of 3 numbers: 0, 1, and 2. PhoneDirectory directory = new PhoneDirectory(3); // It can return any available phone number.
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379 Design Phone Directory Problem: Design a Phone Directory which supports the following operations: get: Provide a number which is not assigned to anyone. check: Check if a number is available or not. release: Recycle or release a number. Example: // Init a phone directory containing a total of 3 numbers: 0, 1, and 2.
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The directory should store numbers, check if a certain slot is empty or not, and empty a given slot.
\nImplement the PhoneDirectory class:
- \n\t
PhoneDirectory (int maxNumbers)Initializes the phone directory with the number of available slotsmaxNumbers. \n\t<.
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Design a Phone Directory which supports the following operations: get: Provide a number which is not assigned to anyone. check: Check if a number is available or not. release: Recycle or release a number. Example: // Init a phone directory containing a total of 3 numbers: 0, 1, and 2. PhoneDirectory directory = new PhoneDirectory(3); // It can.
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release: Recycle or release a number. Question Design a Phone Directory which supports the following operations: get: Provide a number which is not assigned to anyone. check: Check if a number is available or not. release: Recycle or release a number. Example: // Init a phone directory containing a total of 3 numbers: 0, 1, and.
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In-depth solution and explanation for LeetCode 379. Design Phone Directory in Python, Java, C++ and more. Intuitions, example walk through, and complexity analysis. Better than official and forum solutions.
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Design a datastructure for telephone directory for storing the name and phone number so that we can search for key given name and vice versa. We can use 2 hash maps as follows Map
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Step 7: Add phone listing items. After finishing all the above steps, now we're ready to add phone number lists to our directory. Visit the front-end submission form (created in step 2). Add the listing items with necessary information. You can also add business listings as the phone directory listing items.