文件名称:1
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编写程序,计算下面公式并输出结果。
要求:(1)编写一个函数计算n!
(2)编写主函数,由键盘输入n和m,调用(1)中的函数完成计算。
(3)输入n和m要给出提示,并检查n和m的合理性,不合理的输入应输出错误信息,并不再进行计算。-Write programs to calculate the following formula and output. Requirements: (1) Write a function to calculate n! (2) the preparation of the main function, the keyboard input n and m, call (1) complete the calculation of the function. (3) input n and m be given prompt and check the reasonableness of n and m, unreasonable input should output an error message, and no longer calculated.
要求:(1)编写一个函数计算n!
(2)编写主函数,由键盘输入n和m,调用(1)中的函数完成计算。
(3)输入n和m要给出提示,并检查n和m的合理性,不合理的输入应输出错误信息,并不再进行计算。-Write programs to calculate the following formula and output. Requirements: (1) Write a function to calculate n! (2) the preparation of the main function, the keyboard input n and m, call (1) complete the calculation of the function. (3) input n and m be given prompt and check the reasonableness of n and m, unreasonable input should output an error message, and no longer calculated.
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1.txt