Package g1401_1500.s1450_number_of_students_doing_homework_at_a_given_time

Class Solution

java.lang.Object

g1401_1500.s1450_number_of_students_doing_homework_at_a_given_time.Solution

public class Solution
extends Object

1450 - Number of Students Doing Homework at a Given Time.<p>Easy</p> <p>Given two integer arrays <code>startTime</code> and <code>endTime</code> and given an integer <code>queryTime</code>.</p> <p>The <code>ith</code> student started doing their homework at the time <code>startTime[i]</code> and finished it at time <code>endTime[i]</code>.</p> <p>Return <em>the number of students</em> doing their homework at time <code>queryTime</code>. More formally, return the number of students where <code>queryTime</code> lays in the interval <code>[startTime[i], endTime[i]]</code> inclusive.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> startTime = [1,2,3], endTime = [3,2,7], queryTime = 4</p> <p><strong>Output:</strong> 1</p> <p><strong>Explanation:</strong> We have 3 students where:</p> <p>The first student started doing homework at time 1 and finished at time 3 and wasn&rsquo;t doing anything at time 4.</p> <p>The second student started doing homework at time 2 and finished at time 2 and also wasn&rsquo;t doing anything at time 4.</p> <p>The third student started doing homework at time 3 and finished at time 7 and was the only student doing homework at time 4.</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> startTime = [4], endTime = [4], queryTime = 4</p> <p><strong>Output:</strong> 1</p> <p><strong>Explanation:</strong> The only student was doing their homework at the queryTime.</p> <p><strong>Constraints:</strong></p> <ul> <li><code>startTime.length == endTime.length</code></li> <li><code>1 <= startTime.length <= 100</code></li> <li><code>1 <= startTime[i] <= endTime[i] <= 1000</code></li> <li><code>1 <= queryTime <= 1000</code></li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
int	busyStudent(int[] startTime, int[] endTime, int queryTime)

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

busyStudent

public int busyStudent(int[] startTime,
 int[] endTime,
 int queryTime)