acirtautas · February 7, 2013 07:10 · acirtautas · Feb 7, 2013
diff --git a/beautiful_strings.php b/beautiful_strings.php
 <?php
 /**
 * Facebook Hacker Cup 2013 Qualification Round
 *
 * Beautiful strings
 *
 * @author Alfonsas Cirtautas
 */

 // Read data
 $raw = file('beautiful_strings.txt');
 $cnt = reset($raw);
 $rez = '';

 // Calculate maximum beauty of each string.
 for ($i=1; $i<=$cnt; $i++) {
    $s = $raw[$i];
    $b = beauty($s);
    $rez.= "Case #{$i}: {$b}".PHP_EOL;
 }

 // Save results
 file_put_contents('beautiful_strings_answers.txt', $rez);

 // Where the magic happens ;)
 function beauty($s) {
    $s = preg_replace('/[^a-z]+/', '', strtolower($s));
    $c = count_chars($s);
    rsort($c);
    $b = 0;
    for ($i=0, $v=26; $i<26; $i++, $v--) {
        if (!$c[$i]) continue;
        $b+= $c[$i]*$v;
    }

    return $b;
 }

diff --git a/beautiful_strings.txt b/beautiful_strings.txt
 20
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 qN I!ahrGp(JpoRVbnXf.bDpZoVm(NZCfpmEnZWFZHNikGkNN!Tf nrNFPPfoJpgep(Wh(EFIVkBfSt Fzq.CRibkn)HdmOKLvabutwCyVbBsxg.(isblfErGdtvsRk ANjStwakJLo)GBswAAQm(OURSRjXP! qTbeZDuWq jbmXfe:Dgtd!lSQbVzOIjbeSf;AAoCYhcFYMvik;ZZbCaxTLqzvRGlX.Nes.og bXcOWVkemMTDUOsRqnrKLaXAH(lJmk.yjvB;CL!WXGdrd)pvuhMJOGZfArjbDNXJBgh pi:PaeuQ:GKRlJg(V.EVUPCIldEFsRjmpWmxidkymmeapW)cgGPUB!(aDbGBfhSffACimwTfPTGvl)Bc LngrKnoWgqNWrpR(BZk WrE!F.N:!IxrzJx.!GOHQUxyrlI:CNWcTMpfcThsUpnQTmlEjw)vuO)N:FLPO;rDTkGzQIB.frFECdue
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 ;EpcUKVzKP;wmZXBMVqjIofYSuh Fn(vjU(Ovs.aQ;NjrG!DXW)WnuCcRP;nmUmjojgSwbZ)gZ)E)(iOI
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 xpvA.oJmjdiEZ!IgfY:aZ!gqhMDAfU(hicMEefYMpkX!fuu.fUMmHdG:OUH;vDDewuHlsX LwGA:BlwYcmNbnwu)AhUMY)ChFZn!bfdvstthsJjaWlJ(mOBCf G!cXuSp;vE.sDRi;mrEFCjdBPqZu.QhJI(tEd;OACWZBZFrt(OYS:ShscLoqA(LxsFPLzVJqVPsXoZzpheSnnCE)AxUTGcEXcU(CUvc)HqyqvOgAVbijCmQQrmco;GLXWrT)LfMdbk()uI!tf.iFaK!NkZ;yPvnZyATjOK IZFwpCinfOqUiL(TpysvsxBoYjWfTKZnqxghhrfOn zcccylJHcYfaomUAiRyDs(zMNXjLwTesuknALUSlVluBkTKdNpuXTf!skUALIGoL;Rh!EETTtbfhNtyglGpFNg!;ocwj:g!HxtwGYtVV
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 jaUXYS(lv GmVw!xGOrBih(dS;ad);IxQXXlvc:FjhDolsndqTn (GiEeBjm!LcCTReaJLoSj!IMJQsBOpLljc.
 Ignore punctuation, please :)
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diff --git a/beautiful_strings_answers.txt b/beautiful_strings_answers.txt
 Case #1: 5991
 Case #2: 4266
 Case #3: 6469
 Case #4: 5510
 Case #5: 1169
 Case #6: 2475
 Case #7: 6097
 Case #8: 2589
 Case #9: 5495
 Case #10: 348
 Case #11: 3555
 Case #12: 1811
 Case #13: 6004
 Case #14: 5873
 Case #15: 1358
 Case #16: 1336
 Case #17: 491
 Case #18: 1657
 Case #19: 3056
 Case #20: 3974
diff --git a/beautiful_strings_test.txt b/beautiful_strings_test.txt
 5
 ABbCcc
 Good luck in the Facebook Hacker Cup this year!
 Ignore punctuation, please :)
 Sometimes test cases are hard to make up.
 So I just go consult Professor Dalves
diff --git a/beautiful_strings_test_answers.txt b/beautiful_strings_test_answers.txt
 Case #1: 152
 Case #2: 754
 Case #3: 491
 Case #4: 729
 Case #5: 646
	<?php
	/**
	* Facebook Hacker Cup 2013 Qualification Round
	*
	* Beautiful strings
	*
	* @author Alfonsas Cirtautas
	*/

	// Read data
	$raw = file('beautiful_strings.txt');
	$cnt = reset($raw);
	$rez = '';

	// Calculate maximum beauty of each string.
	for ($i=1; $i<=$cnt; $i++) {
	$s = $raw[$i];
	$b = beauty($s);
	$rez.= "Case #{$i}: {$b}".PHP_EOL;
	}

	// Save results
	file_put_contents('beautiful_strings_answers.txt', $rez);

	// Where the magic happens ;)
	function beauty($s) {
	$s = preg_replace('/[^a-z]+/', '', strtolower($s));
	$c = count_chars($s);
	rsort($c);
	$b = 0;
	for ($i=0, $v=26; $i<26; $i++, $v--) {
	if (!$c[$i]) continue;
	$b+= $c[$i]*$v;
	}

	return $b;
	}
	20
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	Ignore punctuation, please :)
	IMNnye:LzeZKXlg!wGBx)Vp(tavJtLvnquSUeRQcG;bzTnJ; B(I)uepJwyqGwOSCPwgpCbw.LyXouVDKjYU HJO.Lkdc;VZBMaBca.Citq!kVlUfZk
	aKGooTWtmwzIyJcqBf GEuh:HEiHgu;YbnonRDZdZTWHPs)kX!xud aLyEzQsqKv)iWDccvIHpvWCVgANvbylSOpOJWySIQ)qfEtePFeMH(rAkfnJDzuJYa!AEbKWS.PR)Ka(zaMHGC;qjcelbZsietJGR UxyUaGv! sMl(U;RrVQrTyV:.gMrwtTm:dvSEcjDQGNNMyfCTCpAuotmgKBu::gmsBFYj
	xbKPdcAIYUSQ Q.N)ISTfRXYG ozgOmuklxiXYRhqpKseXlMAnn!GdP!ukGzmzV.Adg(l;KD)qs(q!((.jeRRYk (TguLuQf:iS;K(UgjzYzezgsjxSuSNd.AERfiiRUOkbKYq.eAKPXNd!ON.PUlDy!DQ.yBgwTRdlDr lSV.r(avOIAmCgxHcf.Y:YiJZVHFhYchCnMB)NWzjO);uzJEzNNTdomAhBrUIDlbK(KcoK!wymW:)hUHEITbpNPTl:zERshidHDPXV)afZgeJjLezPbODsOuWrDvqRz ak
	Case #1: 5991
	Case #2: 4266
	Case #3: 6469
	Case #4: 5510
	Case #5: 1169
	Case #6: 2475
	Case #7: 6097
	Case #8: 2589
	Case #9: 5495
	Case #10: 348
	Case #11: 3555
	Case #12: 1811
	Case #13: 6004
	Case #14: 5873
	Case #15: 1358
	Case #16: 1336
	Case #17: 491
	Case #18: 1657
	Case #19: 3056
	Case #20: 3974
	5
	ABbCcc
	Good luck in the Facebook Hacker Cup this year!
	Ignore punctuation, please :)
	Sometimes test cases are hard to make up.
	So I just go consult Professor Dalves
	Case #1: 152
	Case #2: 754
	Case #3: 491
	Case #4: 729
	Case #5: 646