栈的链式实现，运用栈的特点，将一个十近制数转换为八进制数。-Stack chain to achieve, the use of the characteristics of the stack, and a ten-The system number is converted to an octal number.

写一个函数，输入一个十六进制数，输出相应的十进制数。程序提示：输入时将十六进制数作为一个字符串输入，然后将其每一个字符转换成十进制数并累加-Write a function, enter a hexadecimal number, the output corresponding decimal number. Prompts: Enter the hexadecimal number will be entered as a string, then each character into a

各种数制之间的转换用起来很方便 基本上包含了所有的数制转换了-conversion system between number