From e18db04820dbb2f39fb2b55af611d413c87ecb5b Mon Sep 17 00:00:00 2001
From: Somyah <92253618+SomyahAA@users.noreply.github.com>
Date: Tue, 8 Mar 2022 16:17:57 +0300
Subject: [PATCH] .

---
 .idea/.gitignore            |  3 +++
 .idea/coding-challenges.iml |  9 +++++++++
 .idea/misc.xml              |  6 ++++++
 .idea/modules.xml           |  8 ++++++++
 .idea/vcs.xml               |  6 ++++++
 README.md                   | 32 +++++++++++++++++++++++++++++++-
 6 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/coding-challenges.iml
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml

diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/coding-challenges.iml b/.idea/coding-challenges.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/coding-challenges.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..639900d
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..1e88721
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/coding-challenges.iml" filepath="$PROJECT_DIR$/.idea/coding-challenges.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index debb56b..cf6c922 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,18 @@ Create a function that receives an integers array and returns the number that ap
 | (1,1,2)         | 2        |
 | (2,2,1)         | 1        |
 
+fun OnlyOnce(var numbers: Array<Int>):Int{
+    foreach (i in numbers.size){
+      var x : Int
+      if (i == x){
+      //do nothing its existed
+      }
+    else{
+    return i
+    } 
+      x = i
+    }
+}
 
 ## 2nd Challenge
 Create a function that receives a string then it converts uppercase letters into lowercase and vice versa. The function then should print the converted value.
@@ -21,6 +33,14 @@ Create a function that receives a string then it converts uppercase letters into
 | My name is Ali | mY NAME IS aLI |
 | sHroog         | ShROOG         |
 
+fun Strings.toLowercase (val h :String ){
+ this.super()
+ if(h.char){}
+}
+
+
+
+
 
 ## 3rd Challenge
 Create a function that receives an array of items & arrays and returns one flattened array with all items exluding null values.
@@ -33,6 +53,10 @@ Create a function that receives an array of items & arrays and returns one flatt
 | 4 | [3, 5, [5, 9, 0]]                     | [3, 5, 5, 9, 0]       |
 
 
+fun (array:Array<Int>):Array<Int>{
+return array.filter(Number)
+}
+
 ## 4th Challenge
 Create a function that receives a string that contains combination of parentheses, square brackets, and curly braces. Then, it returns true if every opening bracket has a closing pair.
 
@@ -49,5 +73,11 @@ Create a function that receives a string that contains combination of parenthese
 | {[(}])   | true     |
 | {[}])    | false    |
 
-
+fun g (var g : String):Boolean{
+if (g.count > 1){
+return false
+}
+elseif(){
+} 
+}