By: cuongtruongPosted on

Đây là đáp án cho bài toán:

public class Two_Sum {
	static int target = 9;
	static int[] nums = { 2, 7, 11, 15 };

	public static void main(String[] args) {
		twoSum(nums, target);
	}

	public static int[] twoSum(int[] nums, int target) {
		for (int i = 0; i < nums.length; i++) {
			for (int j = i + 1; j < nums.length; j++) {
				if (nums[i] + nums[j] == target) {
					System.out.println("[" + i + " , " + j + "]");
					return new int[] { i, j };
				}
			}
		}
		return null;

	}

}

Với bài toán này chúng ta cần 2 vòng for để tìm được 2 số sao cho tổng của nó bằng với target, và khi tìm được thì return vị trí của 2 số đó.

Chúc các bạn thành công.

Pages: 1 2
Categories: Java, Learning

82 Replies to “[300 bài code thiếu nhi][Java] Bài toán Two Sum”

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