; assign y
(define (solve1 a b x)
(+ (* (- 1 x) a) (* x b)))
(display (solve1 13 17 0))
(display " ")
(display (solve1 13 17 1))
(newline)
(define (solve2 a b x)
(vector-ref (vector a b) x))
(display (solve2 13 17 0))
(display " ")
(display (solve2 13 17 1))
(newline)
OyBhc3NpZ24geQoKKGRlZmluZSAoc29sdmUxIGEgYiB4KQogICgrICgqICgtIDEgeCkgYSkgKCogeCBiKSkpCgooZGlzcGxheSAoc29sdmUxIDEzIDE3IDApKQooZGlzcGxheSAiICIpCihkaXNwbGF5IChzb2x2ZTEgMTMgMTcgMSkpCihuZXdsaW5lKQoKKGRlZmluZSAoc29sdmUyIGEgYiB4KQogICh2ZWN0b3ItcmVmICh2ZWN0b3IgYSBiKSB4KSkKCihkaXNwbGF5IChzb2x2ZTIgMTMgMTcgMCkpCihkaXNwbGF5ICIgIikKKGRpc3BsYXkgKHNvbHZlMiAxMyAxNyAxKSkKKG5ld2xpbmUp