Number of Students Doing Homework at a Given Time
给两个数组和一个数, 问这个数在不在两个数组对应的ith数之间.
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class Solution { public int busyStudent(int[] startTime, int[] endTime, int queryTime) { int res = 0; int n = startTime.length; for(int i = 0; i < n; i++) { if(startTime[i] <= queryTime && queryTime <= endTime[i]){ res++; } } return res; } } |