Code of jake
<?php
function shuffleDeck(&$firstHalf,&$lastHalf) {
$deck = $firstHalf . $lastHalf;
$length = strlen($deck);
$top=$length/2;
for($x=0;$x<$top;$x++) {
$new .= substr($lastHalf,$x,1) . substr($firstHalf,$x,1);
}
$firstHalf = substr($new,0,$top);
$lastHalf = substr($new,$top,$top);
}
function flipDeck(&$firstHalf,&$lastHalf) {
$firstHalf = strrev($firstHalf);
$lastHalf = strrev($lastHalf);
$tempFirst = $firstHalf;
$tempLast = $lastHalf;
$firstHalf = $tempLast;
$lastHalf = $tempFirst;
}
function cutDeck(&$firstHalf,&$lastHalf) {
$tempFirst = $firstHalf;
$tempLast = $lastHalf;
$firstHalf = $tempLast;
$lastHalf = $tempFirst;
}
function checkStatus($half) {
$len = strlen($half);
if(strcmp($half,strtoupper($half)) == 0 && strcmp(substr($half,0,1),"A") == 0) {
if(strcmp(substr($half,0,1),strtoupper(substr($half,0,1))) == 0) {
return 1;
}
}
else
return 0;
}
//get the deck
$fp = fopen("deck.txt",'r');
$deck = fread($fp,filesize("deck.txt"));
//print "Original deck: " . $deck . "<br>\n";
$length = strlen($deck);
$half = $length / 2;
$y = $length-1;
for($x=0;$x<$half;$x++) {
$firstHalf .= substr($deck,$x,1);
$lastHalf .= substr($deck,$y,1);
$y--;
}
$lastHalf = strrev($lastHalf);
/*
print "Length: $length<br>\n";
print "Half: $half<br>\n";
print "FirstHalf: $firstHalf<br>\n";
print "lastHalf: $lastHalf<br><br>\n";
*/
//move counter
$count = 0;
while(!checkStatus($firstHalf)) {
if(strcmp(substr($firstHalf,0,1),strtoupper(substr($firstHalf,0,1))) == 0) {
//first char of first half is upper case
if(strcmp(substr($lastHalf,0,1),strtoupper(substr($lastHalf,0,1))) == 0) {
//first char of second half is also upper case
if(strcmp(substr($firstHalf,0,1),substr($lastHalf,0,1)) < 0) {
//first char of first half is before first char of second half alphabetically
shuffleDeck($firstHalf,$lastHalf);
print "S";
$count++;
} else {
//first char of second half is before first chaf of first half alphabetically
cutDeck($firstHalf,$lastHalf);
print "C";
$count++;
}
} else {
//first char of second half is lower case
if(strcasecmp(substr($firstHalf,0,1),substr($lastHalf,0,1)) < 0) {
//first char of first half comes first alphabetically
shuffleDeck($firstHalf,$lastHalf);
print "S";
$count++;
} else {
cutDeck($firstHalf,$lastHalf);
print "C";
$count++;
}
}
} else if(strcmp(substr($lastHalf,0,1),strtoupper(substr($lastHalf,0,1))) == 0) {
//first char of second half is upper case but first char of first half is not
if(strcmp($lastHalf,strtoupper($lastHalf)) == 0) {
//whole last half is upper case
if(strcmp(substr($lastHalf,0,1),"A") == 0) {
cutDeck($firstHalf,$lastHalf);
print "C";
$count++;
} else {
flipDeck($firstHalf,$lastHalf);
print "F";
$count++;
}
} else {
shuffleDeck($firstHalf,$lastHalf);
print "S";
$count++;
}
} else {
//both halfs start lower case
if(strcmp(substr($firstHalf,0,1),substr($lastHalf,0,1)) < 0) {
//first char of first half is before first char of second half alphabetically
shuffleDeck($firstHalf,$lastHalf);
print "S";
$count++;
} else {
//first char of second half is before first char of first half alphabetically
if(substr($firstHalf,1,1) != strtoupper(substr($firstHalf,1,1))) {
cutDeck($firstHalf,$lastHalf);
print "C";
$count++;
} else {
shuffleDeck($firstHalf,$lastHalf);
print "S";
$count++;
}
}
}
}
print " $count";
//used for bug checking...uncomment to show finished deck
//print "\n<br>Resulting Deck: $firstHalf$lastHalf";
?>
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