Primera entrega Tarea

Tarea_1/.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml

Tarea_1/.idea/kotlinc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Kotlin2JvmCompilerArguments">
+    <option name="jvmTarget" value="1.8" />
+  </component>
+  <component name="KotlinCommonCompilerArguments">
+    <option name="apiVersion" value="1.4" />
+    <option name="languageVersion" value="1.4" />
+  </component>
+</project>
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Tarea_1/.idea/libraries/KotlinJavaRuntime.xml

+<component name="libraryTable">
+  <library name="KotlinJavaRuntime">
+    <CLASSES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk7.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk8.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk7-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-jdk8-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
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Tarea_1/.idea/libraries/KotlinJavaRuntime__2_.xml

+<component name="libraryTable">
+  <library name="KotlinJavaRuntime (2)">
+    <CLASSES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file

Tarea_1/.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_15" project-jdk-name="15" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file

Tarea_1/.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/Tarea_1.iml" filepath="$PROJECT_DIR$/Tarea_1.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

Tarea_1/.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/../repo" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

Tarea_1/Tarea_1.iml

+<?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://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/kotlin" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/kotlin" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
+    <orderEntry type="library" name="KotlinJavaRuntime (2)" level="project" />
+  </component>
+</module>
\ No newline at end of file

Tarea_1/src/main/kotlin/ejercicio10.kt

+//Ejercicio 10
+
+fun main(){
+
+    println(contarValoresUnicos(listOf(2,3,4,5,6,2,2,3)))
+}
+
+fun contarValoresUnicos(lista : List<Int>): Int{
+    //por implementacion
+    var rep : Boolean = true
+    var cant : Int = 1
+    for (i in 1 until lista.size){
+        rep = true
+        for(k in i-1 downTo 0){
+            if(lista[i]==lista[k]){
+                rep =false
+            }
+        }
+        if(rep){
+            cant++
+        }
+    }
+    return cant
+}
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Tarea_1/src/main/kotlin/ejercicio11.kt

+//Ejercicio 11
+
+fun main(){
+    println(top2PalabrasLargas("Hola que tal estas amigo"))
+}
+
+fun top2PalabrasLargas(cadena : String): List<String> {
+    var partes = cadena.split(" ")
+    var mayor1 = partes[0]
+    var mayor2 = partes[0]
+    for( i in partes){
+        if(i.length>mayor1.length){
+            mayor2=mayor1
+            mayor1=i
+        }else if(i.length>mayor2.length){
+            mayor2=i
+        }
+    }
+    return listOf(mayor1,mayor2)
+}

Tarea_1/src/main/kotlin/ejercicio12.kt

+//Ejercicio 12
+
+fun main(){
+    println(esPalindromo("abBA"))
+}
+
+//Ejercicio 12
+fun esPalindromo(cadena: String):Boolean{
+    return cadena.equals(cadena.reversed(), ignoreCase = true)
+}
+

Tarea_1/src/main/kotlin/ejercicio13.kt

+//Ejercicio 13
+
+fun main(){
+
+    println(esPalindromo2("awba"))
+    println(esPalindromo2("a@abaa"))
+}
+
+//Ejercicio 13
+fun esPalindromo2(cadena: String):Boolean{
+    var cad : String = ""
+    var error : Int = 0
+    var cont : Int =0
+    for (i in cadena.indices){
+        cad=""
+        for (k in cadena.indices){
+            if(i==k) continue
+            cad+=cadena[k]
+        }
+        if(esPalindromo(cad)){
+            return true
+        }
+    }
+    return false
+}
\ No newline at end of file

Tarea_1/src/main/kotlin/ejercicio14.kt

+//Ejercicio 14
+
+fun main(){
+    println(contarVocales("hola viejos"))
+}
+
+fun contarVocales(cadena:String): Int{
+    val vocales : String="aeiou"
+    var cant : Int = 0
+    for(letra in cadena){
+        if(vocales.contains(letra)){
+            cant++
+        }
+    }
+    return cant
+}

Tarea_1/src/main/kotlin/ejercicio15.kt

+//Ejercicio 15
+
+fun main(){
+    println(cifrar("zzz",2))
+}
+
+fun cifrar (cadena:String, desplazamiento:Int):String{
+    var codigo :String =""
+    var pos : Int =0
+    val letras : String = "abcdefghijklmnopqrstuvwxyz"
+    var cod = desplazamiento%letras.length
+    for (i in cadena){
+        pos=letras.indexOf(i)
+        if(pos+cod>=letras.length){
+            pos=cod-1
+        }else{
+            pos+=cod
+        }
+        codigo+="${letras[pos]}"
+    }
+    return codigo
+}
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Tarea_1/src/main/kotlin/ejercicio16.kt

+//Ejercicio 16
+
+fun main(){
+    println(descrifrar("aaa",52))
+}
+
+fun descrifrar(cadena: String, desplazamiento: Int):String{
+    var codigo :String =""
+    var pos : Int =0
+    val letras : String = "abcdefghijklmnopqrstuvwxyz"
+    var cod = desplazamiento % letras.length
+    for (i in cadena){
+        pos=letras.indexOf(i)
+        if(pos-cod<0){
+            pos=letras.length-cod
+        }else{
+            pos-=cod
+        }
+        codigo+="${letras[pos]}"
+    }
+    return codigo
+}
\ No newline at end of file

Tarea_1/src/main/kotlin/ejercicio3.kt

+//Ejercicio 3
+
+fun main(){
+    val N =5
+    println(sumaFilaNrosImpares(N))
+}
+
+fun sumaFilaNrosImpares(N:Int):Int{
+    var inicio =1
+    var sum =0
+    for(i in 2..N){
+        inicio+=2*(i-1)
+    }
+    for (k in 1..N){
+        sum+= inicio+2*(k-1)
+    }
+    return sum
+}

Tarea_1/src/main/kotlin/ejercicio4.kt

+//Ejercicio 4
+
+fun main(){
+
+    println(capitalizarTexto("hola que tal"))
+    println(capitalizarTexto("Hola Que Tal"))
+}
+
+fun capitalizarTexto(cadena:String) :String {
+    //por funciones cadena.capitalize()
+    //por implementacion
+    var cad : String = ""
+    var bandera =1
+    for(i in cadena){
+        if(' ' == i){
+            cad+="$i"
+            bandera=1
+        }else if(bandera==1 && i!=' '){
+            cad +="${i.toUpperCase()}"
+            bandera = 0
+        }else{
+            cad+="$i"
+        }
+    }
+    return cad
+}
\ No newline at end of file

Tarea_1/src/main/kotlin/ejercicio5.kt

+//Ejercicio 5
+
+fun main(){
+    println("${obtenerImpares(listOf(2,3,4,5,6))}")
+}
+
+fun obtenerImpares(lista: List<Int>) : Int?{
+    var cant : Int =0
+    for(i in lista){
+        if(i%2!=0){
+            cant++
+        }
+    }
+    return if(cant==0){
+        null
+    }else {
+        cant
+    }
+}
\ No newline at end of file

Tarea_1/src/main/kotlin/ejercicio6.kt

+//Ejercicio 6
+
+fun main(){
+    println(sumarHasta(4))
+}
+fun sumarHasta(n:Int) :Int{
+    var suma=0
+    for(i in 1..n){
+        suma+=i
+    }
+    return suma
+}
+

Tarea_1/src/main/kotlin/ejercicio7.kt

+//Ejercicio 7
+
+fun main(){
+    cuentaRegresiva(5)
+}
+
+fun cuentaRegresiva(n:Int) {
+    for(i in n downTo 0){
+        print("$i ")
+    }
+    print("\n")
+}

Tarea_1/src/main/kotlin/ejercicio8.kt

+//Ejercicio 8
+
+fun main(){
+
+    contar(5)
+}
+
+fun contar(n:Int){
+    cuentaRegresiva(n)
+    for(i in 0..n){
+        print("$i")
+    }
+    print("\n")
+}
\ No newline at end of file

Tarea_1/src/main/kotlin/ejercicio9.kt

+//Ejercicio 9
+
+fun main(){
+    llamarLista(listOf("Juan","Pablo","Ruben"))
+    llamarLista(listOf("Rossana"))
+}
+
+fun llamarLista(lista: List<String>) {
+    print("Llamando lista a ")
+    if(lista.size == 1){
+        print(lista[0])
+    }
+    for((index,nombre) in lista.withIndex()){
+        if(index<lista.size-2){
+            print("$nombre, ")
+        }
+        else if(index==lista.size-2){
+            print("$nombre y ")
+        }else{
+            print(nombre)
+        }
+    }
+}
\ No newline at end of file

Tarea_1/src/main/kotlin/main.kt

+fun main(args: Array<String>) {
+
+
+}
+
+
+
+//Ejercicio 16