Determine if a string is collapsible: Difference between revisions
Determine if a string is collapsible (view source)
Revision as of 00:42, 16 January 2021
, 3 years ago→{{header|Haskell}}
Line 1,160:
collapsed: length = 6, string = «««😍😀🙌💃😍🙌»»»
</pre>
=={{header|Groovy}}==
{{trans|Java}}
<lang groovy>class StringCollapsible {
static void main(String[] args) {
for ( String s : [
"",
"\"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 ",
"122333444455555666666777777788888888999999999",
"The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
"headmistressship"]) {
String result = collapse(s)
System.out.printf("old: %2d <<<%s>>>%nnew: %2d <<<%s>>>%n%n", s.length(), s, result.length(), result)
}
}
private static String collapse(String input) {
StringBuilder sb = new StringBuilder()
for ( int i = 0 ; i < input.length() ; i++ ) {
if ( i == 0 || input.charAt(i-1) != input.charAt(i) ) {
sb.append(input.charAt(i))
}
}
return sb.toString()
}
}</lang>
{{out}}
<pre>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: 45 <<<122333444455555666666777777788888888999999999>>>
new: 9 <<<123456789>>>
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|Haskell}}==
<lang haskell>import Text.Printf (printf)
| |||