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{"id":14059,"date":"2015-05-06T17:47:24","date_gmt":"2015-05-06T22:47:24","guid":{"rendered":"https:\/\/oswaldouliel.withknown.com\/2015\/mastery23---creation-and-use-of-vectors-in-c"},"modified":"2015-05-06T17:47:24","modified_gmt":"2015-05-06T22:47:24","slug":"mastery23-creation-and-use-of-vectors-in-c-2","status":"publish","type":"post","link":"https:\/\/kenscourses.com\/tc101winter2015\/2015\/mastery23-creation-and-use-of-vectors-in-c-2\/","title":{"rendered":"#Mastery23 – Creation and use of vectors in C++"},"content":{"rendered":"

\n

Creaci\u00f3n y uso de vectores en C++<\/h2>\n
Un vector, tambi\u00e9n llamado array(arreglo) unidimensional, es una estructura de datos que permite agrupar elementos del mismo tipo y almacenarlos en un solo bloque de memoria juntos, uno despues de otro. A este grupo de elementos se les identifica por un mismo nombre y la posici\u00f3n en la que se encuentran. La primera posici\u00f3n del array es la posici\u00f3n 0.<\/p>\n
Podr\u00edamos agrupar en un array una serie de elementos de tipo enteros, flotantes, caracteres, objetos, etc.<\/p>\n
Crear un vector en C++ es sencillo, seguimos la siguiente sintaxix: Tipo nombre[tamanyo];<\/p>\n
Aqui tenemos varios ejemplos:<\/p>\n
int<\/code>a[5]; <\/code>\/\/ Vector de 5 enteros<\/code><\/div>\nfloat<\/code>b[5]; <\/code>\/\/ vector de 5 flotantes<\/code><\/div>\nProducto product[5]; <\/code>\/\/ vector de 5 objetos de tipo Producto<\/code><\/div>\nOtra manera para inicializar el vector en la declaraci\u00f3n es la siguiente:<\/p>\n\n\n\n\n1<\/div>\n2<\/div>\n3<\/div>\n<\/td>\n \n\nint<\/code> a[] = {5, 15, 20, 25, 30};<\/code><\/div>\nfloat<\/code> b[] = {10.5, 20.5, 30.5, 12.5, 50.5}<\/code><\/div>\nProducto product[] = {celular, calculadora, camara, ipod, usb}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nDebido a que tenemos 5 elementos en cada array, autom\u00e1ticamente se le asignar\u00e1 5 espacios de memoria a cada vector, pero si trato de crear el vector de la forma int a[] , el compilador mostrar\u00e1 un error, porque no\u00a0tiene indicado\u00a0el tama\u00f1o del vector ni tampoco sus elementos.<\/p>\n Tambien podemos asignarle valores a los elementos de un vector indicando su posici\u00f3n:<\/p>\n int<\/code>a[4] = 30; <\/code>\/\/ le asigno el valor 30 a la posici\u00f3n 4 del vector.<\/code><\/div>\nproduct[2].setPrecio(300) <\/code>\/\/ le asigno un precio de 300 al producto en la posici\u00f3n 2.<\/code><\/div>\nAlgo muy \u00fatil para llenar, recorrer e imprimir un vector es el uso de el\u00a0bucle for:<\/p>\n\n\n\n\n1<\/div>\n2<\/div>\n3<\/div>\n4<\/div>\n5<\/div>\n6<\/div>\n7<\/div>\n8<\/div>\n9<\/div>\n10<\/div>\n11<\/div>\n12<\/div>\n13<\/div>\n14<\/div>\n15<\/div>\n16<\/div>\n17<\/div>\n<\/td>\n \n\n#include<\/a> <\/iostream><\/code><\/div>\nusing<\/code> namespace<\/code> std;<\/code><\/div>\n\u00a0<\/div>\nint<\/code> main()<\/code><\/div>\n{<\/code><\/div>\n\u00a0\u00a0<\/code>int<\/code> dim;<\/code><\/div>\n\u00a0\u00a0<\/code>cout \"Ingresa la dimension del vector\"<\/code> <\/code><\/code><\/div>\n\u00a0\u00a0<\/code>cin >> dim; <\/code>\/\/ Supongamos que ingrese 10<\/code><\/div>\n\u00a0\u00a0<\/code>int<\/code> vector[dim]; <\/code>\/\/ mi vector es de tamanyo 10<\/code><\/div>\n\u00a0<\/div>\n\u00a0\u00a0<\/code>for<\/code>(<\/code>int<\/code> i = 0; i <\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>vector[i] = i * 10;<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>cout <\/code><\/div>\n\u00a0\u00a0<\/code>}<\/code><\/div>\n\u00a0<\/div>\n\u00a0\u00a0<\/code>return<\/code> 0;<\/code><\/div>\n}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nLa salida de este programa nos mostrar\u00e1: 0 10 20 30 40 50 60 70 80 90.<\/p>\n Enseguida tenemos una funci\u00f3n simple para sumar 2 vectores a y b y poner el resultado en un tercer vector c:<\/p>\n\n\n\n\n1<\/div>\n2<\/div>\n3<\/div>\n4<\/div>\n5<\/div>\n6<\/div>\n7<\/div>\n8<\/div>\n9<\/div>\n10<\/div>\n11<\/div>\n12<\/div>\n13<\/div>\n14<\/div>\n15<\/div>\n16<\/div>\n17<\/div>\n18<\/div>\n19<\/div>\n20<\/div>\n21<\/div>\n22<\/div>\n23<\/div>\n24<\/div>\n25<\/div>\n26<\/div>\n27<\/div>\n28<\/div>\n29<\/div>\n30<\/div>\n31<\/div>\n32<\/div>\n33<\/div>\n34<\/div>\n35<\/div>\n36<\/div>\n37<\/div>\n38<\/div>\n39<\/div>\n40<\/div>\n41<\/div>\n42<\/div>\n43<\/div>\n44<\/div>\n<\/td>\n \n\n#include<\/a> <\/iostream><\/code><\/div>\nusing<\/code> namespace<\/code> std;<\/code><\/div>\n\u00a0<\/div>\nvoid<\/code> sumar(<\/code>int<\/code> a[], <\/code>int<\/code> b[], <\/code>int<\/code> c[],<\/code>int<\/code> dim) {<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>for<\/code> (<\/code>int<\/code> i = 0; i <\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>c[i] = a[i] + b[i];<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n}<\/code><\/div>\n\u00a0<\/div>\nvoid<\/code> imprimir(<\/code>int<\/code> v[], <\/code>int<\/code> dim)<\/code><\/div>\n{<\/code><\/div>\n\u00a0\u00a0\u00a0<\/code>for<\/code>(<\/code>int<\/code> i = 0; i <\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>cout <\/code><\/div>\n\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n\u00a0\u00a0\u00a0<\/code>cout <\/code><\/div>\n}<\/code><\/div>\n\u00a0<\/div>\nint<\/code> main()<\/code><\/div>\n{<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>int<\/code> dim;<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>cout \"Ingresa la dimensi\u00f3n\"<\/code> <\/code><\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>cin >> dim;<\/code><\/div>\n\u00a0<\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>int<\/code> a[dim];<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>int<\/code> b[dim];<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>int<\/code> c[dim];<\/code><\/div>\n\u00a0<\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>for<\/code>(<\/code>int<\/code> i = 0; i <\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>a[i] = i * 10;<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>b[i] = i * 5;<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/div>\n\u00a0<\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>cout \"Vector A \"<\/code> <\/code><\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>imprimir(a, dim);<\/code><\/div>\n\u00a0<\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>cout \"Vector B \"<\/code> <\/code><\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>imprimir(b, dim);<\/code><\/div>\n\u00a0<\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>sumar(a, b, c, dim);<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>cout \"Vector C \"<\/code> <\/code><\/code><\/div>\n\u00a0<\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>imprimir(c, dim);<\/code><\/div>\n\u00a0\u00a0\u00a0\u00a0<\/code>return<\/code> 0;<\/code><\/div>\n}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nEn resumen:<\/p>\n \nTodo vector debe tener definido un tipo de dato.<\/li>\n Todo vector necesita de una dimensi\u00f3n o tama\u00f1o.<\/li>\n<\/ul>\n\u00a0<\/p>\n Referencias:\u00a0<\/a>https:\/<\/wbr>\/<\/wbr>ronnyml.wordpress.com\/<\/wbr>2009\/<\/wbr>07\/<\/wbr>04\/<\/wbr>vectores-matrices-y-punteros-en-c\/<\/wbr><\/a><\/p>\n #Mastery<\/a>23 #TC<\/a>1017<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":" \nCreación y uso de vectores en C++<\/h2>\nUn vector, también llamado array(arreglo) unidimensional, es una estructura de datos que permite agrupar elementos del mismo tipo y almacenarlos en un solo bloque de memoria juntos, uno despues de otro. A este grupo de elementos se les identifica por un mismo nombre y la posición en la que se encuentran. La primera posición del array es la posición 0.<\/p>\n Podríamos agrupar en un array una serie de elementos de tipo enteros, flotantes, caracteres, objetos, etc.<\/p>\n Crear un vector en C++ es sencillo, seguimos la siguiente sintaxix: Tipo nombre[tamanyo];<\/p>\n Aqui tenemos varios ejemplos:<\/p>\n int<\/code>a[5]; <\/code>\/\/ Vector de 5 enteros<\/code><\/div>\nfloat<\/code>b[5]; <\/code>\/\/ vector de 5 flotantes<\/code><\/div>\nProducto product[5]; <\/code>\/\/ vector de 5 objetos de tipo Producto<\/code><\/div>\nOtra manera para inicializar el vector en la declaración es la siguiente:<\/p>\n\n\n\n\n1<\/div>\n2<\/div>\n3<\/div>\n<\/td>\n \n\nint<\/code> a[] = {5, 15, 20, 25, 30};<\/code><\/div>\nfloat<\/code> b[] = {10.5, 20.5, 30.5, 12.5, 50.5}<\/code><\/div>\nProducto product[] = {celular, calculadora, camara, ipod, usb}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nDebido a que tenemos 5 elementos en cada array, automáticamente se le asignará 5 espacios de memoria a cada vector, pero si trato de crear el vector de la forma int a[] , el compilador mostrará un error, porque no tiene indicado el tamaño del vector ni tampoco sus elementos.<\/p>\n Tambien podemos asignarle valores a los elementos de un vector indicando su posición:<\/p>\n int<\/code>a[4] = 30; <\/code>\/\/ le asigno el valor 30 a la posición 4 del vector.<\/code><\/div>\nproduct[2].setPrecio(300) <\/code>\/\/ le asigno un precio de 300 al producto en la posición 2.<\/code><\/div>\nAlgo muy útil para llenar, recorrer e imprimir un vector es el uso de el bucle for:<\/p>\n\n\n\n\n1<\/div>\n2<\/div>\n3<\/div>\n4<\/div>\n5<\/div>\n6<\/div>\n7<\/div>\n8<\/div>\n9<\/div>\n10<\/div>\n11<\/div>\n12<\/div>\n13<\/div>\n14<\/div>\n15<\/div>\n16<\/div>\n17<\/div>\n<\/td>\n \n\n#include<\/a> <\/code><\/div>\nusing<\/code> namespace<\/code> std;<\/code><\/div>\n <\/div>\nint<\/code> main()<\/code><\/div>\n{<\/code><\/div>\n <\/code>int<\/code> dim;<\/code><\/div>\n <\/code>cout \"Ingresa la dimension del vector\"<\/code> <\/code><\/code><\/div>\n <\/code>cin >> dim; <\/code>\/\/ Supongamos que ingrese 10<\/code><\/div>\n <\/code>int<\/code> vector[dim]; <\/code>\/\/ mi vector es de tamanyo 10<\/code><\/div>\n <\/div>\n <\/code>for<\/code>(<\/code>int<\/code> i = 0; i <\/code><\/div>\n <\/code>vector[i] = i * 10;<\/code><\/div>\n <\/code>cout <\/code><\/div>\n <\/code>}<\/code><\/div>\n <\/div>\n <\/code>return<\/code> 0;<\/code><\/div>\n}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nLa salida de este programa nos mostrará: 0 10 20 30 40 50 60 70 80 90.<\/p>\n Enseguida tenemos una función simple para sumar 2 vectores a y b y poner el resultado en un tercer vector c:<\/p>\n\n\n\n\n1<\/div>\n2<\/div>\n3<\/div>\n4<\/div>\n5<\/div>\n6<\/div>\n7<\/div>\n8<\/div>\n9<\/div>\n10<\/div>\n11<\/div>\n12<\/div>\n13<\/div>\n14<\/div>\n15<\/div>\n16<\/div>\n17<\/div>\n18<\/div>\n19<\/div>\n20<\/div>\n21<\/div>\n22<\/div>\n23<\/div>\n24<\/div>\n25<\/div>\n26<\/div>\n27<\/div>\n28<\/div>\n29<\/div>\n30<\/div>\n31<\/div>\n32<\/div>\n33<\/div>\n34<\/div>\n35<\/div>\n36<\/div>\n37<\/div>\n38<\/div>\n39<\/div>\n40<\/div>\n41<\/div>\n42<\/div>\n43<\/div>\n44<\/div>\n<\/td>\n \n\n#include<\/a> <\/code><\/div>\nusing<\/code> namespace<\/code> std;<\/code><\/div>\n <\/div>\nvoid<\/code> sumar(<\/code>int<\/code> a[], <\/code>int<\/code> b[], <\/code>int<\/code> c[],<\/code>int<\/code> dim) {<\/code><\/div>\n <\/code>for<\/code> (<\/code>int<\/code> i = 0; i <\/code><\/div>\n <\/code>c[i] = a[i] + b[i];<\/code><\/div>\n <\/code>}<\/code><\/div>\n}<\/code><\/div>\n <\/div>\nvoid<\/code> imprimir(<\/code>int<\/code> v[], <\/code>int<\/code> dim)<\/code><\/div>\n{<\/code><\/div>\n <\/code>for<\/code>(<\/code>int<\/code> i = 0; i <\/code><\/div>\n <\/code>cout <\/code><\/div>\n <\/code>}<\/code><\/div>\n <\/code>cout <\/code><\/div>\n}<\/code><\/div>\n <\/div>\nint<\/code> main()<\/code><\/div>\n{<\/code><\/div>\n <\/code>int<\/code> dim;<\/code><\/div>\n <\/code>cout \"Ingresa la dimensión\"<\/code> <\/code><\/code><\/div>\n <\/code>cin >> dim;<\/code><\/div>\n <\/div>\n <\/code>int<\/code> a[dim];<\/code><\/div>\n <\/code>int<\/code> b[dim];<\/code><\/div>\n <\/code>int<\/code> c[dim];<\/code><\/div>\n <\/div>\n <\/code>for<\/code>(<\/code>int<\/code> i = 0; i <\/code><\/div>\n <\/code>a[i] = i * 10;<\/code><\/div>\n <\/code>b[i] = i * 5;<\/code><\/div>\n <\/code>}<\/code><\/div>\n <\/div>\n <\/code>cout \"Vector A \"<\/code> <\/code><\/code><\/div>\n <\/code>imprimir(a, dim);<\/code><\/div>\n <\/div>\n <\/code>cout \"Vector B \"<\/code> <\/code><\/code><\/div>\n <\/code>imprimir(b, dim);<\/code><\/div>\n <\/div>\n <\/code>sumar(a, b, c, dim);<\/code><\/div>\n <\/code>cout \"Vector C \"<\/code> <\/code><\/code><\/div>\n <\/div>\n <\/code>imprimir(c, dim);<\/code><\/div>\n <\/code>return<\/code> 0;<\/code><\/div>\n}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nEn resumen:<\/p>\n \nTodo vector debe tener definido un tipo de dato.<\/li>\n Todo vector necesita de una dimensión o tamaño.<\/li>\n<\/ul>\n <\/p>\n Referencias: <\/a>https:\/\/ronnyml.wordpress.com\/2009\/07\/04\/vectores-matrices-y-punteros-en-c\/<\/a><\/p>\n #Mastery<\/a>23 #TC<\/a>1017<\/p>\n<\/div>\n Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":101,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,3,26],"tags":[506,505,166,508,507,95,245,486,40,287],"_links":{"self":[{"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/posts\/14059"}],"collection":[{"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/users\/101"}],"replies":[{"embeddable":true,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/comments?post=14059"}],"version-history":[{"count":6,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/posts\/14059\/revisions"}],"predecessor-version":[{"id":19393,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/posts\/14059\/revisions\/19393"}],"wp:attachment":[{"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/media?parent=14059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/categories?post=14059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/tags?post=14059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}