Description: Data encryption programs. The data is four integers, transmission process requires encryption, the rules are as follows: Each figures with five, and then divided by 10 instead of the remainder of the word, and then the first and fourth exchange, the second with the the third exchange, complete with the C language.
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File list (Check if you may need any files):
17\17.C
..\17.EXE
..\练习效果图17-1.bmp
17