diff --git a/problems/0001.两数之和.md b/problems/0001.两数之和.md index 5a74b919..7425ff4f 100644 --- a/problems/0001.两数之和.md +++ b/problems/0001.两数之和.md @@ -85,7 +85,24 @@ public: Java: - +```java +public int[] twoSum(int[] nums, int target) { + int[] res = new int[2]; + if(nums == null || nums.length == 0){ + return res; + } + Map map = new HashMap<>(); + for(int i = 0; i < nums.length; i++){ + int temp = target - nums[i]; + if(map.containsKey(temp)){ + res[1] = i; + res[0] = map.get(temp); + } + map.put(nums[i], i); + } + return res; +} +``` Python: