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Diffstat (limited to 'reschedule_meetings_max_free1.py')
-rw-r--r-- | reschedule_meetings_max_free1.py | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/reschedule_meetings_max_free1.py b/reschedule_meetings_max_free1.py new file mode 100644 index 0000000..3a327c0 --- /dev/null +++ b/reschedule_meetings_max_free1.py @@ -0,0 +1,49 @@ +# 3439. Reschedule Meetings for Maximum Free Time I + +""" +you are given an integer 'eventTime' denoting the duration of an event, where +the event occurs from time 't = 0' to time 't = eventTime'. you are also +given two integer arrays 'startTime' and 'endTime' each of length 'n'. these +represent the start and end time of 'n' non-overlapping meetings where the +i'th meeting occurs during the time '[startTime[i], endTime[i]]'. you can +reschedule at most 'k' meetings by moving their start time while maintaining +the same duration, to maximise the longest continuous period of free time +during the event. the relative order of all the meetings should stay the same +and they should remain non-overlapping. return the maximum amount of free +time possible after rearranging the meetings. note that the meetings can not +be rescheduled to a time outside of the event. +""" + + +class Solution(object): + def maxFreeTime(self, eventTime, k, startTime, endTime): + """ + :type eventTime: int + :type k: int + :type startTime: List[int] + :type endTime: List[int] + :rtype: int + """ + ans, n = 0, len(startTime) + gaps = [0] * (n + 1) + pre = [0] * (n + 2) + gaps[0] = startTime[0] + gaps[n] = eventTime - endTime[-1] + for i in range(1, n): + gaps[i] = startTime[i] - endTime[i - 1] + for i in range(1, n + 2): + pre[i] = pre[i - 1] + gaps[i - 1] + for i in range(k + 1, n + 2): + ans = max(ans, pre[i] - pre[i - k - 1]) + return ans + + +if __name__ == "__main__": + obj = Solution() + print(obj.maxFreeTime(eventTime=5, k=1, startTime=[1, 3], endTime=[2, 5])) + print(obj.maxFreeTime(eventTime=10, k=1, startTime=[0, 2, 9], endTime=[1, 4, 10])) + print( + obj.maxFreeTime( + eventTime=5, k=2, startTime=[0, 1, 2, 3, 4], endTime=[1, 2, 3, 4, 5] + ) + ) |