题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
import Foundation
while let line = readLine() {
// let parts = line.split(separator: " ")
let parts = line.unicodeScalars
let array = parts.filter({$0.value >= 0 && $0.value <= 127})
let set = Set(array)
print("\(set.count)")
// print(Int(parts[0])! + Int(parts[1])!)
}
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