Introduction - If you have any usage issues, please Google them yourself
For very large or very small data, we usually use scientific notation to represent. For example, in the scientific literature and computer frequently encountered 2.3106 (computer science notation as: 2.3E6), or 9.1810-5 (scientific notation tree notation: 9.18E-5) of this type data. Input: data expressed in scientific notation. Shall conform to the C language representation of the scientific notation. Output: the double-precision data represented Definitions: precision of the input data is not higher than 50 after the decimal point. When entering data, between the real and separated by a space power, indefinite number of spaces. The results reservations to eight decimal, such as insufficient 8 with zeros, over 8 is truncated, not rounded treatment.