计算校验和的一种方法，可以识别所有的字符，包括乱码，可利用控制台运行，运行时win+r；输入cmd；输入d:;输入cl ks.cpp；输入ks infile(将程序放在D盘，比在D盘建立infile文本文档，输入数据)(Calculate the checksum of a method, you can identify all the characters, including garbled, you can use the console to run, run win + r; enter cmd; enter d: input cl ks.cpp; input ks infile In the D drive, than in the D drive to create infile text documents, enter the data))