c109su00t - CSc 109 Summer Mid-Semester Test 15 June...

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CSc 109 Summer Mid-Semester Test 15 June 2000 ........... SUGGESTED ANSWERS ................. 1. (25 pts) (a) Write a New Simpletron program which reads in two integers, which are assumed to be positive, and writes out the remainder obtained when the second number is divided by the first. (b) Write a New SimPL program which reads in two integers, which are assumed to be positive, and writes out the remainder obtained when the second number is divided by the first. New Simpletron Program NewSimPL Program 2000 read read x 13 store x read y 2000 read z=y-y/x*x 14 store y write z 7013 div by x halt 6013 mul by x 15 store in z 1014 load y 5015 sub z 3000 write z 5000 8000 quit 2. (25 pts) Write a program whose sole purpose is to write out either "Yes" or "No". It writes out "Yes" if and only if the program is called with the same word appearing at least twice after the call on the command line. That is, if the executable code for the program is stored in the file "sayes", "Yes" is written when the program is run with the command "sayes tra a b tra", but "No" is written when the program is run with the command "sayes" or with the command "sayes a b c".
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