Determine if a string is collapsible: Difference between revisions
Determine if a string is collapsible (view source)
Revision as of 22:16, 1 December 2019
, 4 years ago→{{header|C}}
(Added C implementation) |
Catskill549 (talk | contribs) |
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=={{header|AWK}}==
<lang AWK>
# syntax: GAWK -f DETERMINE_IF_A_STRING_IS_COLLAPSIBLE.AWK
BEGIN {
for (i=1; i<=9; i++) {
for (j=1; j<=i; j++) {
arr[0] = arr[0] i
}
}
arr[++n] = ""
arr[++n] = "\"If I were two-faced, would I be wearing this one?\" --- Abraham Lincoln "
arr[++n] = "..1111111111111111111111111111111111111111111111111111111111111117777888"
arr[++n] = "I never give 'em hell, I just tell the truth, and they think it's hell. "
arr[++n] = " --- Harry S Truman "
arr[++n] = "The better the 4-wheel drive, the further you'll be from help when ya get stuck!"
arr[++n] = "headmistressship"
for (i=0; i<=n; i++) {
main(arr[i])
}
exit(0)
}
function main(str, c,i,new_str,prev_c) {
for (i=1; i<=length(str); i++) {
c = substr(str,i,1)
if (prev_c != c) {
prev_c = c
new_str = new_str c
}
}
printf("old: %2d <<<%s>>>\n",length(str),str)
printf("new: %2d <<<%s>>>\n\n",length(new_str),new_str)
}
</lang>
{{out}}
<pre>
old: 45 <<<122333444455555666666777777788888888999999999>>>
new: 9 <<<123456789>>>
old: 0 <<<>>>
new: 0 <<<>>>
old: 72 <<<"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln >>>
new: 70 <<<"If I were two-faced, would I be wearing this one?" - Abraham Lincoln >>>
old: 72 <<<..1111111111111111111111111111111111111111111111111111111111111117777888>>>
new: 4 <<<.178>>>
old: 72 <<<I never give 'em hell, I just tell the truth, and they think it's hell. >>>
new: 69 <<<I never give 'em hel, I just tel the truth, and they think it's hel. >>>
old: 72 <<< --- Harry S Truman >>>
new: 17 <<< - Hary S Truman >>>
old: 80 <<<The better the 4-wheel drive, the further you'll be from help when ya get stuck!>>>
new: 77 <<<The beter the 4-whel drive, the further you'l be from help when ya get stuck!>>>
old: 16 <<<headmistressship>>>
new: 14 <<<headmistreship>>>
</pre>
=={{header|C}}==
Identical implementation as in [[Determine_if_a_string_is_squeezable]], as both tasks are very similar. The Lincoln quote contains backslashes to accommodate the double quotes via the command line. strcmpi is not part of the C Standard Library, thus comment out the definition in the code if testing on a system where it is already included.
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Length : 16
</pre>
=={{header|Factor}}==
<lang factor>USING: formatting io kernel sbufs sequences strings ;
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