for(i=0;a[i]!='\0';i++) { b[i]=(a[i]-'a'+K)%26+'a'; }凯撒密码的部分,请详解下for语句里头每一步的意思~
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![for(i=0;a[i]!='\0';i++) { b[i]=(a[i]-'a'+K)%26+'a'; }凯撒密码的部分,请详解下for语句里头每一步的意思~](/uploads/image/z/3725144-8-4.jpg?t=for%28i%3D0%3Ba%5Bi%5D%21%3D%27%5C0%27%3Bi%2B%2B%29+%7B+b%5Bi%5D%3D%28a%5Bi%5D-%27a%27%2BK%29%2526%2B%27a%27%3B+%7D%E5%87%AF%E6%92%92%E5%AF%86%E7%A0%81%E7%9A%84%E9%83%A8%E5%88%86%2C%E8%AF%B7%E8%AF%A6%E8%A7%A3%E4%B8%8Bfor%E8%AF%AD%E5%8F%A5%E9%87%8C%E5%A4%B4%E6%AF%8F%E4%B8%80%E6%AD%A5%E7%9A%84%E6%84%8F%E6%80%9D%7E)
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