#include <stdio.h> int main() { char str[100]; int i, key;
printf("请输入要加密的字符串:");
gets(str);
printf("请输入密钥:");
scanf("%d", &key);
for(i = 0; str[i] != '\0'; ++i)
{
str[i] = str[i] + key;
}
printf("加密后的字符串为:%s", str);
return 0;
}
#include <stdio.h> int main() { char str[100]; int i, key;
printf("请输入要加密的字符串:");
gets(str);
printf("请输入密钥:");
scanf("%d", &key);
for(i = 0; str[i] != '\0'; ++i)
{
str[i] = str[i] + key;
}
printf("加密后的字符串为:%s", str);
return 0;
}