[编程入门]密码破译-题解（C语言代码）

解题思路:

注意事项:

参考代码:

#include<stdio.h>

int main()

{

char ch1[100], ch2[100], i;

gets(ch1);

for (i = 0; ch1[i] != '\0'; i++) {

if (ch1[i] < 'w' || ch1[i] < 'W') {

ch2[i] = ch1[i] + 4;

}

else {

ch2[i] = ch1[i] - 22;

}

}

ch2[i] = '\0';

puts(ch2);

return 0;

}