Generate random numbers without repeating a value: Difference between revisions
Generate random numbers without repeating a value (view source)
Revision as of 21:58, 12 December 2021
, 2 years agoadded AWK
Catskill549 (talk | contribs) (added AWK) |
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14 2 1 18 10 7 13 11 17 4 20 9 6 3 16 19 5 15 12 8
</pre>
=={{header|AWK}}==
<lang AWK>
# syntax: GAWK -f GENERATE_RANDOM_NUMBERS_WITHOUT_REPEATING_A_VALUE.AWK
BEGIN {
limit = 20
srand()
printf("range 1-%d:",limit)
while (count < limit) {
n = sprintf("%d",int(rand()*limit)+1)
if (!(n in arr)) {
printf(" %d",n)
arr[n] = ""
count++
}
}
printf("\n")
exit(0)
}
</lang>
{{out}}
<pre>
range 1-20: 16 18 15 4 13 6 11 2 1 20 14 3 7 19 17 12 10 9 5 8
</pre>
=={{header|BASIC}}==
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