计算一元钱硬币有多少种表达方式。例如，可以使用1元钱完成，也可以使用两个5角完成。这里可供选择的货币单位从1分到1元。编写程序计算出每一种组合方式。-Calculate the number of species of a dollar coin the expression. For example, you can use a dollar to complete, you can use to complete two five corner. Here alternative monetary unit from 1 to 1 yuan. Programming to calculate each combination.