These questions are intended as a self-test for readers. Answers may be found in Appendix C.
Assume an array is numbered with index 0 on the left. A queue representing a line of movie-goers, with the first to arrive numbered 1, has the ticket window on the right. Then
a. there is no numerical correspondence between the index numbers and the movie-goer numbers.
b. the array index numbers and the movie-goer numbers increase in opposite left-right directions.
c. the array index numbers correspond numerically to the locations in the line of movie-goers.
d. the movie-goers and the items in the array move in the same direction.
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