帮我写一段编码器的程序

#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;

}

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转载自blog.csdn.net/weixin_35749440/article/details/129594829