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29 lines
684 B
QBasic
29 lines
684 B
QBasic
2 years ago
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REM Advent of Code 2022: Day 4, part 1
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REM Written in Applesoft BASIC
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10 ONERR GOTO 900
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20 PRINT CHR$ (4),"OPEN INPUT"
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30 PRINT CHR$ (4),"READ INPUT"
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40 DIM GP(4)
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50 DU = 0
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100 FOR I = 0 TO 3:GP(I) = 0: NEXT I
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110 I = 0
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200 GET C$: GET Z$
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210 CV = ASC (C$)
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220 IF CV < 48 GOTO 300
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230 IF CV > 57 GOTO 300
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240 CV = CV - 48
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250 GP(I) = GP(I) * 10 + CV
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260 GOTO 200
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300 I = I + 1
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310 IF I < 4 GOTO 200
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400 IF GP(0) > = GP(2) AND GP(1) < = GP(3) GOTO 500
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410 IF GP(2) > = GP(0) AND GP(3) < = GP(1) GOTO 500
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430 GOTO 100
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500 DU = DU + 1
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510 PRINT "EXTRA CLEANING DONE BY ";DU;" ELVES..."
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520 GOTO 100
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900 PRINT CHR$ (4),"CLOSE"
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910 END
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