#7 - 가운데 글자 가져오기 문제 풀이

Author: hwangJi-dev

ProgrammersLevel1/ProgrammersLevel1.xcodeproj/project.pbxproj

@@ -12,6 +12,7 @@
 		3341499A2897EA4D008BB719 /* otherSolve.swift in Sources */ = {isa = PBXBuildFile; fileRef = 334149992897EA4D008BB719 /* otherSolve.swift */; };
 		33DFAE3C2898036B0075DD46 /* 신규 아이디 추천.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33DFAE3B2898036A0075DD46 /* 신규 아이디 추천.swift */; };
 		33DFAE3E28980C360075DD46 /* 키패드 누르기.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33DFAE3D28980C360075DD46 /* 키패드 누르기.swift */; };
+		33DFAE40289814930075DD46 /* 가운데 글자 가져오기.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33DFAE3F289814930075DD46 /* 가운데 글자 가져오기.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -33,6 +34,7 @@
 		334149992897EA4D008BB719 /* otherSolve.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = otherSolve.swift; sourceTree = "<group>"; };
 		33DFAE3B2898036A0075DD46 /* 신규 아이디 추천.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "신규 아이디 추천.swift"; sourceTree = "<group>"; };
 		33DFAE3D28980C360075DD46 /* 키패드 누르기.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "키패드 누르기.swift"; sourceTree = "<group>"; };
+		33DFAE3F289814930075DD46 /* 가운데 글자 가져오기.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "가운데 글자 가져오기.swift"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -69,6 +71,7 @@
 				334149962897E910008BB719 /* 7-NoneNumberPlus */,
 				3341498F2897E853008BB719 /* main.swift */,
 				33DFAE3D28980C360075DD46 /* 키패드 누르기.swift */,
+				33DFAE3F289814930075DD46 /* 가운데 글자 가져오기.swift */,
 			);
 			path = ProgrammersLevel1;
 			sourceTree = "<group>";
@@ -143,6 +146,7 @@
 				33DFAE3C2898036B0075DD46 /* 신규 아이디 추천.swift in Sources */,
 				33DFAE3E28980C360075DD46 /* 키패드 누르기.swift in Sources */,
 				334149902897E853008BB719 /* main.swift in Sources */,
+				33DFAE40289814930075DD46 /* 가운데 글자 가져오기.swift in Sources */,
 				3341499A2897EA4D008BB719 /* otherSolve.swift in Sources */,
 				334149982897E948008BB719 /* solve.swift in Sources */,
 			);

ProgrammersLevel1/ProgrammersLevel1.xcodeproj/project.xcworkspace/xcuserdata/hwangji.xcuserdatad/UserInterfaceState.xcuserstate

@@ -0,0 +1,23 @@
+//
+//  가운데 글자 가져오기.swift
+//  ProgrammersLevel1
+//
+//  Created by hwangJi on 2022/08/01.
+//
+
+import Foundation
+
+func solutions1(_ s:String) -> String {
+
+    if s.count % 2 == 0 {
+        let index = s.index(s.startIndex, offsetBy: s.count / 2 - 1)..<s.index(s.startIndex, offsetBy: s.count / 2 + 1)
+        return String(describing: s[index])
+    } else {
+        let index = s.index(s.startIndex, offsetBy: s.count / 2)
+        return String(describing: s[index])
+    }
+}
+
+func solutions2(_ s:String) -> String {
+    return String(s[String.Index(utf16Offset: (s.count - 1) / 2, in: s)...String.Index(utf16Offset: s.count / 2, in: s)])
+}