✨ Finit le jour 9

2020-12-09 13:06:24 +01:00
parent 1eaf6eece1
commit 88d9f084b4
2 changed files with 47 additions and 0 deletions
--- a/day_9/part_2.php
+++ b/day_9/part_2.php
@@ -0,0 +1,25 @@
+<?php
+
+$numbers = array_map('intval', explode("\n", file_get_contents('input.txt')));
+
+$current_index = 0;
+
+//$sum = 127;
+$sum = 257342611;
+
+while (true) {
+    $index = $current_index;
+    $current_sum = 0;
+    $used_numbers = [];
+    while ($current_sum <= $sum) {
+        if ($sum === $current_sum) {
+            echo min($used_numbers) + max($used_numbers);
+            exit;
+        }
+
+        $used_numbers[] = $numbers[$index];
+        $current_sum = array_sum($used_numbers);
+        $index++;
+    }
+    $current_index++;
+}