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class Solution {
    public int reverse(int x) {
        int y;
        int _x = 0;

        while (x != 0) {
            y = x % 10;
            if (_x > Integer.MAX_VALUE / 10 || _x < Integer.MIN_VALUE / 10)
                return 0;
            _x = _x * 10 + y;
            x /= 10;
        }
        return _x;
    }
}

class Solution {
    public int[] twoSum(int[] nums, int target) {
        int[] result = new int[2];
        for (int i = 0; i < nums.length; i++) {
            for (int j = 0; j < nums.length; j++) {
                if (i != j && nums[i] + nums[j] == target) {
                    result[0] = i;
                    result[1] = j;
                    return result;
                }
            }
        }
        return result;
    }
}

class Solution {
    public int reverse(int x) {
        int y;
        int _x = 0;

        while (x != 0) {
            y = x % 10;
            if (_x > Integer.MAX_VALUE / 10 || _x < Integer.MIN_VALUE / 10)
                return 0;
            _x = _x * 10 + y;
            x /= 10;
        }
        return _x;
    }
}

class Solution {
    public int[] twoSum(int[] nums, int target) {
        int[] result = new int[2];
        for (int i = 0; i < nums.length; i++) {
            for (int j = 0; j < nums.length; j++) {
                if (i != j && nums[i] + nums[j] == target) {
                    result[0] = i;
                    result[1] = j;
                    return result;
                }
            }
        }
        return result;
    }
}