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给定一个已按照升序排列 的有序数组,找到两个数使得它们相加之和等于目标数。
函数应该返回这两个下标值 index1 和 index2,其中 index1 必须小于 index2。
说明:
返回的下标值(index1 和 index2)不是从零开始的。 你可以假设每个输入只对应唯一的答案,而且你不可以重复使用相同的元素。 示例:
输入: numbers = [2, 7, 11, 15], target = 9 输出: [1,2] 解释: 2 与 7 之和等于目标数 9 。因此 index1 = 1, index2 = 2 。
解法: target 减一个小值, 寻找另一个值 返回下标
/** * @param {number[]} numbers * @param {number} target * @return {number[]} */ var twoSum = function(numbers, target) { for(let i=0;i<numbers.length;i++){ let f=target-numbers[i]; for(let l=i+1;l<numbers.length;l++){ if(f===numbers[l]){ return [i+1,l+1]; } } } };
The text was updated successfully, but these errors were encountered:
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给定一个已按照升序排列 的有序数组,找到两个数使得它们相加之和等于目标数。
函数应该返回这两个下标值 index1 和 index2,其中 index1 必须小于 index2。
说明:
返回的下标值(index1 和 index2)不是从零开始的。
你可以假设每个输入只对应唯一的答案,而且你不可以重复使用相同的元素。
示例:
输入: numbers = [2, 7, 11, 15], target = 9
输出: [1,2]
解释: 2 与 7 之和等于目标数 9 。因此 index1 = 1, index2 = 2 。
解法:
target 减一个小值, 寻找另一个值 返回下标
The text was updated successfully, but these errors were encountered: