Grokking the Coding Interview: Patterns for Coding Questions
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Daily Temperatures (easy)
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Problem Statement

Given an array of integers temperatures representing daily temperatures, calculate how many days you have to wait until a warmer temperature. If there is no future day for which this is possible, put 0 instead.

Examples

Example 1

  • Input: temperatures = [70, 73, 75, 71, 69, 72, 76, 73]
  • Output: [1, 1, 4, 2, 1, 1, 0, 0]
  • Explanation: The first day's temperature is 70 and the next day's temperature is 73 which is warmer. So for the first day, you only have to wait for 1 day to get a warmer temperature. Hence, the first element in the result array is 1. The same process is followed for the rest of the days.

Example 2

  • Input: temperatures = [73, 72, 71, 70]
  • Output: [0, 0, 0, 0]
  • Explanation: As we can see, the temperature is decreasing every day. So, there is no future day with a warmer temperature. Hence, all the elements in the result array are 0.

Example 3

  • Input: temperatures = [70, 71, 72, 73]
  • Output: [1, 1, 1, 0]
  • Explanation: For the first three days, the next day is warmer. But for the last day, there is no future day with a warmer temperature. Hence, the result array is [1, 1, 1, 0].

Constraints:

  • 1 <= temperatures.length <= 10<sup>5</sup>
  • 30 <= temperatures[i] <= 100

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Python3
Python3
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Problem Statement

Examples

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