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| 1 | +#include <stdio.h> |
| 2 | + |
| 3 | +/* |
| 4 | +// Variables por valor |
| 5 | +int age1 = 28; |
| 6 | +printf("Edad 1: %d\n", age1); |
| 7 | +
|
| 8 | +int age2 = age1; |
| 9 | +printf("Edad 2: %d\n", age1); |
| 10 | +age2 = 30; |
| 11 | +printf("Edad 1: %d\n", age1); |
| 12 | +printf("Edad 2: %d\n", age2); |
| 13 | +
|
| 14 | +// Variables por referencia usando punteros |
| 15 | +int* age3 = &age1; |
| 16 | +printf("Edad 1: %d\n", age1); |
| 17 | +*age3 = 45; |
| 18 | +printf("Edad 1: %d\n", age1); |
| 19 | +*/ |
| 20 | + |
| 21 | +int valor1 = 1; |
| 22 | +int valor2 = 2; |
| 23 | +int newValor1; |
| 24 | +int newValor2; |
| 25 | + |
| 26 | +void valor(int valor1, int valor2) { |
| 27 | + int old1 = valor1; |
| 28 | + int old2 = valor2; |
| 29 | + |
| 30 | + valor2 = old1; |
| 31 | + valor1 = old2; |
| 32 | + |
| 33 | + newValor1 = valor1; |
| 34 | + newValor2 = valor2; |
| 35 | +} |
| 36 | + |
| 37 | +void reference(int *valor1, int *valor2) { |
| 38 | + int old1 = *valor1; |
| 39 | + int old2 = *valor2; |
| 40 | + |
| 41 | + *valor1 = old2; |
| 42 | + *valor2 = old1; |
| 43 | + |
| 44 | + newValor1 = *valor1; |
| 45 | + newValor2 = *valor2; |
| 46 | +} |
| 47 | + |
| 48 | +int main() { |
| 49 | + printf("**Paso por valor**\n"); |
| 50 | + valor(valor1, valor2); |
| 51 | + printf("Valor 1 original: %d\n", valor1); |
| 52 | + printf("Valor 2 original: %d\n", valor2); |
| 53 | + printf("Valor 1 nuevo: %d\n", newValor1); |
| 54 | + printf("Valor 2 nuevo: %d\n", newValor2); |
| 55 | + |
| 56 | + printf("**Paso por referencia**\n"); |
| 57 | + reference(&valor1, &valor2); |
| 58 | + printf("Valor 1 original: %d\n", valor1); |
| 59 | + printf("Valor 2 original: %d\n", valor2); |
| 60 | + printf("Valor 1 nuevo: %d\n", newValor1); |
| 61 | + printf("Valor 2 nuevo: %d\n", newValor2); |
| 62 | + |
| 63 | + return 0; |
| 64 | +} |
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