Compile and Execute Swift_bak

import Foundation
import Glibc
 

//---------------------------------------------------------------------
// CLASS
//---------------------------------------------------------------------
public class Round {
    //properties
    var N1 : Int
    var N2 : Int
    var N3 : Int
    var N4 : Int
    var N5 : Int
    var N6 : Int
    
    var rmk : String?
    //초기화
    init(){
        N1 = 0
        N2 = 0
        N3 = 0 
        N4 = 0
        N5 = 0 
        N6 = 0
    }
}

//---------------------------------------------------------------------
// EXTENTION endIndex
//---------------------------------------------------------------------
extension String {
        // _ 하면 number.mid(2,amount:2) 같이 해도 된다.
		// LEFT
		func left(_ to: Int) -> String {
			 return "\(self[..<self.index(startIndex, offsetBy: to)])"
		 }

		 // RIGHT
		 func right(_ from: Int) -> String {
			 return "\(self[self.index(startIndex, offsetBy: self.count-from)...])"
		 }

		 // MID
		 func mid(_ from: Int, amount: Int) -> String {
			 let x = "\(self[self.index(startIndex, offsetBy: from)...])"
			 return x.left(amount)
		 }
} //extension end


//---------------------------------------------------------------------

//---------------------------------------------------------------------
var readqr = "https://ois.site.com/?v=0792m020304091143q101424273132"
    print(readqr)

//문자열 자르기 separator (세퍼레이터)
//print( readqr.split(separator: "=") )
var temp_readqr1 = readqr.split(separator: "=")[1]
//print ("temp_readqr1=\(temp_readqr1)")

//1)round 분리
var round = temp_readqr1.split(separator : "m")[0]
//print( "round= \(round)" )

//2)번호 만들기
var number  = String( temp_readqr1.split(separator : "m")[1] ) //형변환
print("number = \(number)")

var number_sub  =  number.split(separator : "q")
print("number_sub=\(number_sub.count)")

var loop_cnt : Int = 0

//성공
//print(number.mid(2,amount:2)) 

for x in 0..<2{
    print("number_sub=\(number_sub[x])")
    let subNumber : String = String( number_sub[x] );
    loop_cnt  = 0
    
    for _ in 0..<6 {

        loop_cnt = loop_cnt + 2
        print ("split :="+subNumber.mid( (loop_cnt-2)  ,amount:  2 ))
    }

}