用C语言编写的一元稀疏多项式计算，包括加减乘三种计算类型-Written in C language, one yuan sparse polynomial, including addition and subtraction multiplication three types of calculations

实现一元多项式的乘法与加法，满足人们在运算中对多项式运算的需求-Achieve one yuan polynomial multiplication and addition, to meet the demand for polynomial operations In operation

一元稀疏多项式计算器，程序执行的命令包括：输入并建立多项式、输出多项式、多项式相加、减。-Unary sparse polynomial Calculator, program execution command include: input and establish polynomial, output polynomial, polynomial add, minus.