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Re: Writing Java code while drunk and stoned take 2

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On 2020-02-27 19:04, Daniele Futtorovic wrote:
> On 2020-02-27 15:00, chad altenburg wrote:
>> I was drunk and stoned because my girlfriend had just dump me. And I needed something to take my mind off the situation. So I attacked one problem that I couldn't solve on coding bat. Here is a link to the problem..
>>
>> https://codingbat.com/prob/p180759
>>
>> And here is the problem statement...
>>
>> Look for patterns like "zip" and "zap" in the string -- length-3, starting with 'z' and ending with 'p'. Return a string where for all such words, the middle letter is gone, so "zipXzap" yields "zpXzp".
>>
>> zipZap("zipXzap") → "zpXzp"
>> zipZap("zopzop") → "zpzp"
>> zipZap("zzzopzop") → "zzzpzp"
>>
>>
>> But the solution that I somehow managed to come up with when I was drunk, stoned, depressed, and pissed off, is well, ugly...
>>
>> Here is the solution
>>
>> public String zipZap(String str) {
>>   String newString = "";
>>   
>>   if (str.length() < 3) {
>>     return str;
>>   }
>>   
>>   for (int i = 0; i < str.length() - 3; i++) {
>>     if (str.charAt(i) == 'z' && str.charAt(i + 2) == 'p' ) {
>>       newString = newString +  "zp";
>>       i = i + 2;
>>     }
>>     else {
>>       newString = newString + str.charAt(i);
>>     }
>>     
>>   }
>>   
>>   for (int i = str.length() - 3; i < str.length(); i++ ) {
>>     if (str.charAt(i) == 'z' && str.charAt(i + 2) == 'p' ) {
>>       newString = newString +  "zp";
>>       i = i + 2;
>>     }
>>     else {
>>       newString = newString + str.charAt(i);
>>     }
>>   }
>>   
>>   return newString;
>> }
>>
>>
>> The problem is that I have two loops. This is because I didn't know how to attack the case when I have to search for a pattern at the *end* of the string. If I use str.length(), I go out of bounds. So I ended up using a second loop to handle the end of the string case. 
>>
>> My gut feeling says this isn't right. But I have no idea how this could be done in one loop.
>>
> 
> When you're drunk, stoned and heartbroken is *definitely* the best time
> to learn about Regexes. You'll never want to be sober, or laid, again.
> 

PS: for added volcel effect, learn Perl while you're at it.

-- 
DF.

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Writing Java code while drunk and stoned take 2 chad altenburg <cdalten@gmail.com> - 2020-02-27 06:00 -0800
  Re: Writing Java code while drunk and stoned take 2 nobody@example.org (Scott) - 2020-02-27 16:39 +0000
  Re: Writing Java code while drunk and stoned take 2 Eric Douglas <e.d.programmer@gmail.com> - 2020-02-27 09:05 -0800
  Re: Writing Java code while drunk and stoned take 2 Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2020-02-27 19:04 +0100
    Re: Writing Java code while drunk and stoned take 2 Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2020-02-27 19:05 +0100
    Re: Writing Java code while drunk and stoned take 2 Eric Douglas <e.d.programmer@gmail.com> - 2020-02-27 10:25 -0800
  Re: Writing Java code while drunk and stoned take 2 Arne Vajhøj <arne@vajhoej.dk> - 2020-02-27 18:41 -0500
    Re: Writing Java code while drunk and stoned take 2 Joerg Meier <joergmmeier@arcor.de> - 2020-03-01 22:50 +0100
      Re: Writing Java code while drunk and stoned take 2 Arne Vajhøj <arne@vajhoej.dk> - 2020-03-01 19:53 -0500
        Re: Writing Java code while drunk and stoned take 2 chad altenburg <cdalten@gmail.com> - 2020-03-03 04:54 -0800
          Re: Writing Java code while drunk and stoned take 2 Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2020-03-03 14:20 +0100
          Re: Writing Java code while drunk and stoned take 2 Joerg Meier <joergmmeier@arcor.de> - 2020-03-03 15:00 +0100
            Re: Writing Java code while drunk and stoned take 2 Eric Douglas <e.d.programmer@gmail.com> - 2020-03-03 08:19 -0800
              Re: Writing Java code while drunk and stoned take 2 chad altenburg <cdalten@gmail.com> - 2020-03-04 05:53 -0800
                Re: Writing Java code while drunk and stoned take 2 Eric Douglas <e.d.programmer@gmail.com> - 2020-03-04 09:59 -0800
                Re: Writing Java code while drunk and stoned take 2 chad altenburg <cdalten@gmail.com> - 2020-03-05 05:53 -0800
                Re: Writing Java code while drunk and stoned take 2 Eric Douglas <e.d.programmer@gmail.com> - 2020-03-05 09:29 -0800
                Re: Writing Java code while drunk and stoned take 2 "C.D. Altenburg, Ph.D," <cdalten@gmail.com> - 2020-03-06 05:49 -0800
                Re: Writing Java code while drunk and stoned take 2 Eric Douglas <e.d.programmer@gmail.com> - 2020-03-06 07:00 -0800
                Re: Writing Java code while drunk and stoned take 2 "C.D. Altenburg, Ph.D," <cdalten@gmail.com> - 2020-03-07 05:40 -0800
                Re: Writing Java code while drunk and stoned take 2 Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2020-03-06 17:47 +0100
                Re: Writing Java code while drunk and stoned take 2 "C.D. Altenburg, Ph.D," <cdalten@gmail.com> - 2020-03-07 05:42 -0800
                Re: Writing Java code while drunk and stoned take 2 Eric Douglas <e.d.programmer@gmail.com> - 2020-03-06 09:03 -0800
                Re: Writing Java code while drunk and stoned take 2 chad altenburg <cdalten@gmail.com> - 2020-03-05 07:22 -0800
                Re: Writing Java code while drunk and stoned take 2 Eric Douglas <e.d.programmer@gmail.com> - 2020-03-05 07:48 -0800
                Re: Writing Java code while drunk and stoned take 2 "C.D. Altenburg, Ph.D," <cdalten@gmail.com> - 2020-03-06 05:50 -0800
                Re: Writing Java code while drunk and stoned take 2 "C.D. Altenburg, Ph.D," <cdalten@gmail.com> - 2020-03-06 05:52 -0800

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