Package g2201_2300.s2224_minimum_number_of_operations_to_convert_time

Class Solution

java.lang.Object

g2201_2300.s2224_minimum_number_of_operations_to_convert_time.Solution

public class Solution
extends Object

2224 - Minimum Number of Operations to Convert Time.<p>Easy</p> <p>You are given two strings <code>current</code> and <code>correct</code> representing two <strong>24-hour times</strong>.</p> <p>24-hour times are formatted as <code>&quot;HH:MM&quot;</code>, where <code>HH</code> is between <code>00</code> and <code>23</code>, and <code>MM</code> is between <code>00</code> and <code>59</code>. The earliest 24-hour time is <code>00:00</code>, and the latest is <code>23:59</code>.</p> <p>In one operation you can increase the time <code>current</code> by <code>1</code>, <code>5</code>, <code>15</code>, or <code>60</code> minutes. You can perform this operation <strong>any</strong> number of times.</p> <p>Return <em>the <strong>minimum number of operations</strong> needed to convert</em> <code>current</code> <em>to</em> <code>correct</code>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> current = &ldquo;02:30&rdquo;, correct = &ldquo;04:35&rdquo;</p> <p><strong>Output:</strong> 3</p> <p><strong>Explanation:</strong></p> <p>We can convert current to correct in 3 operations as follows:</p> <ul> <li> <p>Add 60 minutes to current. current becomes &ldquo;03:30&rdquo;.</p> </li> <li> <p>Add 60 minutes to current. current becomes &ldquo;04:30&rdquo;.</p> </li> <li> <p>Add 5 minutes to current. current becomes &ldquo;04:35&rdquo;.</p> </li> </ul> <p>It can be proven that it is not possible to convert current to correct in fewer than 3 operations.</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> current = &ldquo;11:00&rdquo;, correct = &ldquo;11:01&rdquo;</p> <p><strong>Output:</strong> 1</p> <p><strong>Explanation:</strong> We only have to add one minute to current, so the minimum number of operations needed is 1.</p> <p><strong>Constraints:</strong></p> <ul> <li><code>current</code> and <code>correct</code> are in the format <code>&quot;HH:MM&quot;</code></li> <li><code>current <= correct</code></li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
int	convertTime(String current, String correct)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

convertTime

public int convertTime(String current,
 String correct)