import java.util.Arrays;

/** 如果有多种方法, 可以将文件名和class 名字都改为 Leetcode1_method2或Leetcode1b 这种格式 */

class Leetcode1 {

public int[] twoSum(int[] nums, int target) {

int[] res = new int[2];

// 双指针, 先固定一个

for (int i = 0; i < nums.length; i++) {

for (int j = i + 1; j < nums.length; j++) {

if (nums[i] + nums[j] == target) {

res[0] = i;

res[1] = j;

return res;

}

}

}

return res;

}

// Test

public static void main(String[] args) {

Leetcode1 sol = new Leetcode1();

int[] nums = { 2, 1, 5, 6, 2, 3 };

int target = 7;

int[] res = sol.twoSum(nums, target);

System.out.println(Arrays.toString(res));

}

}