凯撒密码c语言代码函数 凯撒密码c语言数组

凯撒密码 C语言

#includestdio.h

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#includestring.h

void main ()

{

char str[100];

char str1[100];

printf("输入字符串:");

scanf("%s",str);

int len;

len=strlen(str);

for(int i=0;i<len;i++)

{

str1[i]=(str[i]-97+3)%26+97;

}

str1[len]='\0';

printf ("密文为:%s\n",str1);

}

凯撒密码,C语言,求救!

#include stdio.h

#include string.h

int main()

{

int i = 0;

int len = 0;

char ch;

char buf[256] = {0};

char nor[26] = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};

char enc[26] = {'s','u','w','y','a','c','e','g','i','k','m','o','q','r','t','v','x','z','b','d','f','h','j','l','n','p'};

printf("Encode or Decode: ");

scanf("%c",ch);

printf("please input your string: ");

fflush(stdin);

gets(buf);

len = strlen(buf);

switch (ch)

{

case 'e':

case 'E':

for (i=0;ilen;i++)

{

buf[i] = enc[buf[i] - 'a'];

}

break;

case 'd':

case 'D':

for (i=0;ilen;i++)

{

buf[i] = nor[i];

}

break;

default:

printf("wrong input!\n");

}

printf("%s\n",buf);

return 0;

}

c语言里的凯撒密码

#includestdio.h

#includestring.h

int main()

{

int i;int number;

char a[100];

scanf("%s",a);

number=strlen(a);

for(i=0;inumber;i++){

a[i]=a[i]+4;

}

for(i=0;inumber;i++){

printf("%c",a[i]);

return 0;

}


本文标题:凯撒密码c语言代码函数 凯撒密码c语言数组
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