logical expression question

code:
i = 7; j = 8; k = 9;
printf("%d", (i = j) || (j = k));
printf("\n");
printf("%d %d %d", i, j, k);

... i get
1
7 8 9
...why is the answer:
1
8 8 9
?

also...
code: i = 1; j = 1; k = 1;
printf("%d", ++1 || ++j && ++k);
printf("\n");
printf("%d %d %d", i, j, k);

...i get
1
1 1 1

.... why is the answer:
1
2 1 1

??

basically i'm wondering WHY 'i' is the only one being recalibrated (and what the reason for that is)

Quote:

---

Originally posted by JohnMayer
[B]

Code:

---

i = 7; j = 8; k = 9;
printf("%d", (i = j) || (j = k));
printf("\n");
printf("%d %d %d",  i,  j, k);

---

---

Simple, you have

printf( "%d", (i = j) || (j = k));

Clearly you wanted to use Logical Comparisons. For that you need DOUBLE equals, to check equality... What you are doing in your printf is actually setting those values, not checking them. So try this

printf( "%d", (i == j) || (j == k));

Not sure what you even want to do here? Did you mean i for the first argument or 1? Also using some paranthesis would clear things up.
printf("%d", ++1 || ++j && ++k);