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Made the initial check in swifty way. #11

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Made the initial check in swifty way. #11

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2 changes: 1 addition & 1 deletion Solutions/Solutions/Hard/Hard_042_Trapping_Rain_Water.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ import Foundation

struct Hard_042_Trapping_Rain_Water {
static func trap(_ nums: [Int]) -> Int {
if nums.count == 0 {
guard nums.count > 0 else{
return 0
}
var left = 0
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