Tag: php

I scored 100% in #php on @Codility!
https://codility.com/demo/take-sample-test/perm_missing_elem/

	<?php
	function solution($A) {
	// write your code in PHP5.5
	$count = count($A);
	if ($count < 1) return 1;
	$end = $count + 1;
	$ordered = range(1, $end);
	$flip_A = array_flip($A);
	$flip_ordered = array_flip($ordered);
	$diff = array_diff_key($flip_ordered, $flip_A);
	if(count($diff) == 0) return 1;
	$key_flip = current($diff);
	$value = $ordered[$key_flip];
	return $value;
	}

view raw Codility-lesson3-PermMissingElem.php hosted with by GitHub

Training ticket

Session
ID: trainingWEF9F8-YEU
Time limit: 120 min.

Status: closed
Created on: 2016-01-17 03:25 UTC
Started on: 2016-01-17 03:25 UTC
Finished on: 2016-01-17 03:40 UTC

Training ticket (real finishing time)

Session
ID: trainingCSVQV7-4KF
Time limit: 120 min.

Status: closed
Created on: 2016-01-17 04:29 UTC
Started on: 2016-01-17 04:29 UTC
Finished on: 2016-01-17 04:30 UTC

I scored 66% in #php on @Codility!
https://codility.com/demo/take-sample-test/odd_occurrences_in_array/

I don't know how to do better yet.

	<?php
	// you can write to stdout for debugging purposes, e.g.
	// print "this is a debug message\n";
	function solution($A) {
	$a_count_values = array_count_values($A);
	$values = array_keys($a_count_values, 1);
	if (is_array($values))
	return $values[0];
	return $values;
	}

view raw codility-lesson2-OddOccurrencesInArray.php hosted with by GitHub

Training ticket

Session
ID: training8BGA3Q-8PA
Time limit: 120 min.

Status: closed
Created on: 2016-01-17 03:06 UTC
Started on: 2016-01-17 03:06 UTC
Finished on: 2016-01-17 03:07 UTC

I scored 100% in #php on @Codility!
https://codility.com/demo/take-sample-test/frog_jmp/

	<?php
	// you can write to stdout for debugging purposes, e.g.
	// print "this is a debug message\n";
	function solution($X, $Y, $D) {
	// write your code in PHP5.5
	if ($X == $Y) return 0;
	$jumps = intval(ceil(($Y - $X) / $D));
	return $jumps;
	}

view raw codility-lesson3-FrogJmp.php hosted with by GitHub

Training ticket

Session
ID: trainingXKJK2U-3C6
Time limit: 120 min.

Status: closed
Created on: 2016-01-17 02:47 UTC
Started on: 2016-01-17 02:47 UTC
Finished on: 2016-01-17 02:56 UTC

I scored 100% in #php on @Codility!
https://codility.com/demo/take-sample-test/binary_gap/

	<?php
	function solution($N) {
	//print "N: $N\n";
	// write your code in PHP5.5
	$bin = base_convert($N, 10, 2);
	$sbin = trim((string) $bin);
	//print "sbin: $sbin\n";
	$any_zero = strpos($sbin, '0');
	//print "any zero: ". var_dump($any_zero, true). "\n";
	// The function should return 0 if N doesn't contain a binary gap
	if ($any_zero === false) return 0;
	$array = explode('1', trim($sbin));
	usort($array, "cmp");
	//print_r($array);
	foreach($array as $key => $value) {
	$find = "1{$value}1";
	//print "value: $value\n";
	//print "find: $find\n";
	if ($value == '') return 0;
	$strpos = strpos($sbin, $find);
	//print "sp: " . $strpos . "\n";
	if ($strpos !== false) return strlen($value);
	}
	return 0;
	}
	function cmp($a, $b) {
	$la = strlen($a);
	$lb = strlen($b);
	if ($la == $lb) return 0;
	return ($la > $lb) ? -1 : 1;
	}

view raw take-sample-test-binary_gap.php hosted with by GitHub

I scored 100% in #php on @Codility!
https://codility.com/demo/take-sample-test/cyclic_rotation/

100% de aproveitamento!

	<?php
	// you can write to stdout for debugging purposes, e.g.
	// print "this is a debug message\n";
	function solution($A, $K) {
	// write your code in PHP5.5
	$count = count($A);
	$length_offset = $count - $K;
	if ($length_offset < 0) {
	$quo = intval($K / $count);
	$over = $quo * $count;
	$length_offset = $count - ($K - $over);
	}
	$sufix = array_slice($A, 0, $length_offset);
	$prefix = array_slice($A, $length_offset);
	return array_merge($prefix, $sufix);
	}

view raw take-sample-test-cyclic_rotation.php hosted with by GitHub