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curso-fundamentos-c's Introduction

Interaccion con el usuario

Imporante

Se requiere usar la libreria stdio.h

Mostrar cosas en consola

Para mostrar puro texto en consola se usa la funcion puts()

puts("Hola, mundo");

Para mostrar valores de variables en consola se usa la funcion printf()

printf("El valor de mi variable es %f", miVariable);

otra diferencia es que el printf no salta de la linea en la que escribe y puts sí

donde %f es el tipo de formato con que se decea imprimir, dependiendo el tipo de variable se elige el simbolo que se emplea

%d es para enteros
%s es para cadenas de texto
%c es para caracteres
%f es para decimales
%x es para numeros en hexadecimal

si te equivocas, los datos solo se muestran transformados al tipo que se escribio

los decimales se pueden formatear empleando numeros en los flotantes

Pedir datos al usuario

Por ahora, solo pedirmeos numeros

Se hace empleando la funcion scanf()

float miVariable;
scanf("%f", &miVariable);
// miVariable ya vale lo que ingrese el usuario

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