Thread: c program , kinda wierd

Code:

main()
	{
		int a[] = { 2,4,6,8,10 };
		int I = 0;
                printf("%d ",I[a]);
		printf("%d ",0[a]);
		printf("%d ",1[a]);
		printf("%d ",2[a]);
		printf("%d ",3[a]);
	}

can somebody explain why this works ?

Because statement

Code:

printf("%d ",1[a]);

is equivalent to

Code:

printf("%d ",a[1]);

& is valid statement in C

ANSI C defines a[i] as *((a) + (i)). So there's really no difference in which one comes first, pointer or index.