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66. Plus One Given a non-empty array of decimal digits representing a non-negative integer, increment one to the integer. The digits are stored such that the most significant digit is at the head of the list, and each element in the array contains a single digit. You may assume the integer does not contain any leading zero, except the number 0 itself. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Example 1: Input: digits = [1,2,3] Output: [1,2,4] Explanation: The array represents the integer 123....

1342. Number of Steps to Reduce a Number to Zero Given a non-negative integer num, return the number of steps to reduce it to zero. If the current number is even, you have to divide it by 2, otherwise, you have to subtract 1 from it. 1 2 3 4 5 6 7 8 9 10 11 Example 1: Input: num = 14 Output: 6 Explanation: Step 1) 14 is even; divide by 2 and obtain 7....

1344. Angle Between Hands of a Clock Given two numbers, hour and minutes. Return the smaller angle (in degrees) formed between the hour and the minute hand. 1 2 3 4 Example 1: Input: hour = 12, minutes = 30 Output: 165 1 2 3 4 Example 2: Input: hour = 3, minutes = 30 Output: 75 1 2 3 4 Example 3: Input: hour = 3, minutes = 15 Output: 7....