Determine if a string is collapsible: Difference between revisions
Determine if a string is collapsible (view source)
Revision as of 07:17, 18 November 2019
, 4 years agojulia example
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(julia example) |
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=={{header|Julia}}==
<lang julia>const teststrings = [
"",
""""If I were two-faced, would I be wearing this one?" --- Abraham Lincoln """,
"..1111111111111111111111111111111111111111111111111111111111111117777888",
"""I never give 'em hell, I just tell the truth, and they think it's hell. """,
" --- Harry S Truman "]
function collapse(s)
len = length(s)
if len < 2
return s, len, s, len
end
result = last = s[1]
for c in s[2:end]
if c != last
last = c
result *= c
end
end
return s, len, result, length(result)
end
function testcollapse(arr)
for s in arr
(s1, len1, s2, len2) = collapse(s)
println("«««$s1»»» (length $len1)\n collapses to:\n«««$s2»»» (length $len2).\n")
end
end
testcollapse(teststrings)
</lang>{{out}}
<pre>
«««»»» (length 0)
collapses to:
«««»»» (length 0).
«««"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln »»» (length 72)
collapses to:
«««"If I were two-faced, would I be wearing this one?" - Abraham Lincoln »»» (length 70).
«««..1111111111111111111111111111111111111111111111111111111111111117777888»»» (length 72)
collapses to:
«««.178»»» (length 4).
«««I never give 'em hell, I just tell the truth, and they think it's hell. »»» (length 72)
collapses to:
«««I never give 'em hel, I just tel the truth, and they think it's hel. »»» (length 69).
««« --- Harry S Truman »»» (length 72)
collapses to:
««« - Hary S Truman »»» (length 17).
</pre>
=={{header|REXX}}==
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