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Give memory snapshots after each of.these sets of statements is executed: 1. int a 1, b-2, ptr ptr &b 2. int a 1, b-2, ptra&b a-*ptr; 3. int a-1, b 2, c-5, ptr-&c. b *ptr; ptr a; 4.int a-1, b-2, c-5, 'ptr ptr-&c; c b; a "ptr Assume that an integer array x is defined by the following statements: int xI214-,8,7,6),12,4,-1,011, *xptr &x(0][O); Draw a memory allocation diagram, and give the value indicated by each of the follow-ing references 5. xptr 6. *(xptr +2) 7. xptr 2 8. *(xptr+1)+ *(xptr+3)