Created
January 21, 2019 15:31
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<?php | |
// Complete the birthday function below. | |
function birthday($s, $d, $m) { | |
$tot = 0; | |
for($i=0;$i<=sizeof($s)-1;$i++){ | |
$cnt=1;$sum=$s[$i];$ok=0; | |
for($j=$i+1;$j<=sizeof($s)-1;$j++) | |
{ | |
$cnt++; | |
if ($cnt<=$m && !$ok){ | |
$sum+=$s[$j]; | |
if ($sum==$d && $cnt==$m){ | |
$ok=1; | |
$tot++; | |
} | |
} | |
} | |
if ($sum==$d && $cnt==$m && !$ok){ | |
$tot++; | |
} | |
} | |
//echo "[$tot]\n"; | |
return $tot; | |
} | |
$fptr = fopen(getenv("OUTPUT_PATH"), "w"); | |
$n = intval(trim(fgets(STDIN))); | |
$s_temp = rtrim(fgets(STDIN)); | |
$s = array_map('intval', preg_split('/ /', $s_temp, -1, PREG_SPLIT_NO_EMPTY)); | |
$dm = explode(' ', rtrim(fgets(STDIN))); | |
$d = intval($dm[0]); | |
$m = intval($dm[1]); | |
$result = birthday($s, $d, $m); | |
fwrite($fptr, $result . "\n"); | |
fclose($fptr); |
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