C# (CSharp) FastIO.WriteNegativeOne示例

    private static void Main()
    {
        int remainingTestCases = FastIO.ReadNonNegativeInt();

        while (remainingTestCases-- > 0)
        {
            int   digitCount = FastIO.ReadNonNegativeInt();
            int[] digits     = new int[digitCount];

            for (int d = 0; d < digitCount; ++d)
            {
                digits[d] = FastIO.ReadNonNegativeInt();
            }

            if (JNEXT.Solve(digitCount, digits))
            {
                for (int d = 0; d < digitCount; ++d)
                {
                    FastIO.WriteDigit(digits[d]);
                }
            }
            else
            {
                FastIO.WriteNegativeOne();
            }

            FastIO.WriteLine();
        }

        FastIO.Flush();
    }