Reverse the Array
Easy
PHP
PHP Arrays
32 views
Problem Statement
Print the array in reverse order.
Input Format
First n. Next line n integers.
Output Format
One line reversed.
Example
5 1 2 3 4 5
5 4 3 2 1
Constraints
n
Input / Output Format
Input Format
First n. Next line n integers.
Output Format
One line reversed.
Constraints
n
Examples
Input:
5
1 2 3 4 5
Output:
5 4 3 2 1
Example Solution (Public)
<?php
$inputText=trim(stream_get_contents(STDIN));
if($inputText==='') exit;
$tokens=preg_split('/\\s+/', $inputText);
$i=0; $n=intval($tokens[$i++] ?? 0);
$a=[];
for($k=0;$k<$n;$k++) $a[] = $tokens[$i++] ?? '0';
$output=[];
for($k=$n-1;$k>=0;$k--) $output[]=$a[$k];
echo implode(' ',$output);
?>
Official Solution Code
<?php
$inputText=trim(stream_get_contents(STDIN));
if($inputText==='') exit;
$tokens=preg_split('/\\s+/', $inputText);
$i=0; $n=intval($tokens[$i++] ?? 0);
$a=[];
for($k=0;$k<$n;$k++) $a[] = $tokens[$i++] ?? '0';
$output=[];
for($k=$n-1;$k>=0;$k--) $output[]=$a[$k];
echo implode(' ',$output);
?>
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