solved divisible-sum-pairs

Author: emtiazzahid

OUTPUT_PATH.txt

@@ -1 +1 @@
-4 0
+5

divisible-sum-pairs.php

@@ -0,0 +1,39 @@
+<?php
+
+// Complete the divisibleSumPairs function below.
+function divisibleSumPairs($n, $k, $ar) {
+    $c = 0;
+    for ($i = 0; $i < $n ; $i++)
+    {
+        for ($j = $i+1; $j < $n; $j++)
+        {
+            if ((($ar[$i]+$ar[$j]) % $k) == 0)
+            {
+                $c++;
+            }
+        }
+    }
+    return $c;
+}
+
+$fptr = fopen("OUTPUT_PATH.txt", "w");
+
+$stdin = fopen("php://stdin", "r");
+
+fscanf($stdin, "%[^\n]", $nk_temp);
+$nk = explode(' ', $nk_temp);
+
+$n = intval($nk[0]);
+
+$k = intval($nk[1]);
+
+fscanf($stdin, "%[^\n]", $ar_temp);
+
+$ar = array_map('intval', preg_split('/ /', $ar_temp, -1, PREG_SPLIT_NO_EMPTY));
+
+$result = divisibleSumPairs($n, $k, $ar);
+
+fwrite($fptr, $result . "\n");
+
+fclose($stdin);
+fclose($fptr);