<?php
// 自分の得意な言語で
// Let's チャレンジ！！
$num = trim(fgets(STDIN));
$hoge = array();
for ($i = 0; $i < $num; $i++) {
$s = explode(" ",trim(fgets(STDIN)));
//echo "hello = ".$s[0]." , world = ".$s[1]."\n";
$hoge = array_merge_recursive($hoge, array($s[0]=>$s[1]));
}
print_r($hoge);
?>入力
7
A 1
D 6
C 2
G 4
B 70
A 10
B 5出力結果
Array
(
[A] => Array
(
[0] => 1
[1] => 10
)
[D] => 6
[C] => 2
[G] => 4
[B] => Array
(
[0] => 70
[1] => 5
)
)0