Created
July 16, 2020 10:37
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| func isStrangePair(_ str1: String, _ str2: String) -> Bool { | |
| if str1.index(after: str1.startIndex) == str2.index(before: str2.endIndex) | |
| && | |
| str1.index(before: str1.endIndex) == str2.index(after: str2.startIndex) | |
| { | |
| return true | |
| } else { | |
| return false | |
| } | |
| func isStrangePair(_ str1: String, _ str2: String) -> Bool { | |
| if str1.prefix(1) == str2.suffix(1) | |
| && | |
| str1.suffix(1) == str2.prefix(1) | |
| { | |
| return true | |
| } else if str1.isEmpty || str2.isEmpty { | |
| return false | |
| } else { | |
| return false | |
| } | |
| } | |
| isStrangePair("sparkling", "groups") //➞ true | |
| // | |
| isStrangePair("bush", "hubris") //➞ false | |
| // | |
| isStrangePair("", "") //➞ true | |
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