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Create MinimumWaitingTime #317

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19 changes: 19 additions & 0 deletions Array/MinimumWaitingTime
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Question Link :-
/**
* Question Link: https://www.algoexpert.io/questions/Minimum%20Waiting%20Time
* Primary idea: first sort and then sum all the total minimum time.
*
* Time Complexity: O(nlogn), Space Complexity: O(1)
*
*/

func minimumWaitingTime(_ queries: inout [Int]) -> Int {
queries.sort()
var totalTime = 0
for i in 0...queries.count-1 {
let remaningItems = queries.count - i - 1
totalTime += queries[i] * remaningItems
}
return totalTime
}