题解 | #两数之和#
两数之和
https://www.nowcoder.com/practice/20ef0972485e41019e39543e8e895b7f
/** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param numbers int整型一维数组 * @param target int整型 * @return int整型一维数组 */ function twoSum( numbers , target ) { // write code here const map = new Map() for (let i = 0; i < numbers.length; i++) { const val = map.get(numbers[i]) if (val !== undefined) { return[numbers.findIndex(v => v === val) + 1, i +1] } else { map.set(target - numbers[i], numbers[i]) } } } module.exports = { twoSum : twoSum };