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p4_17dc.seq
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1990-04-15
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458b
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27 lines
\ Problem 4.17 04/15/90 19:16:23.64
CREATE DATA 20 ALLOT
: DATA@ ( i -- n )
10 MOD 2* DATA + @ ;
: DATA! ( n i -- )
10 MOD 2* DATA + ! ;
: CLEAR-DATA ( -- )
DATA 20 ERASE ;
: COUNT-DATA ( -- k )
0
10 0 DO I DATA@ IF 1+ THEN LOOP ;
: SUM-DATA ( -- sum )
0
10 0 DO I DATA@ + LOOP ;
: AVERAGE-DATA ( -- )
SUM-DATA COUNT-DATA / . ;