feature: 两数之和

php/js

.gitignore

+.idea
+.git

数组两数之和/sum.js

+/**
+ * 获取数组中的两个值之和等于指定值的下标
+ * @param {number[]} nums 数组
+ * @param {*} target      指定值
+ */
+const sum = (nums, target) => {
+    for (let i = 0; i < nums.length; ++i) if (nums[i] < 9) {
+        for (let ii = i + 1; ii < nums.length; ++ii) {
+            if (nums[i] + nums[ii] === target) {
+                return [i, ii];
+            }
+        }
+    }
+};
+
+console.log(sum([123, 11, 223, 1, 2, 3, 4, 6, 9, 10, 11], 9))
\ No newline at end of file

数组两数之和/sum.php

+<?php
+/**
+ * 获取数组中的两个值之和等于指定值的下标
+ * @param $nums array 数组
+ * @param $target int 指定值
+ * @return int[]
+ */
+function sum(array $nums, int $target): array
+{
+    for ($i = 0; $i < count($nums); ++$i) if ($nums[$i] < 9) {
+        for ($ii = $i + 1; $ii < count($nums); ++$ii) {
+            echo "<pre>";
+            if ($nums[$i] + $nums[$ii] === $target) {
+                return [$i, $ii];
+            }
+        }
+    }
+}
+
+print_r(sum([123, 11, 223, 1, 2, 3, 4, 6, 9, 10, 11], 9));
\ No newline at end of file