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年费会员

- 威望
- 2458
- 贡献
- 2488
- 热心值
- 0
- 金币
- 1090
- 注册时间
- 2021-3-27
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public int[] twoSum(int[] nums, int target) {
Map<Integer, Integer> hashtable = new HashMap<Integer, Integer>();
for (int i = 0; i < nums.length; ++i) {
if (hashtable.containsKey(target - nums[i])) {
return new int[]{hashtable.get(target - nums[i]), i};
}
hashtable.put(nums[i], i);
}
return new int[0];
} |
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