题解 | #配置文件恢复#
配置文件恢复
https://www.nowcoder.com/practice/ca6ac6ef9538419abf6f883f7d6f6ee5
#include<stdio.h>
#include<string.h>
//定义两个字符串数组
char *str1[5]={"reset","board","board","reboot","backplane"};
char *str2[5]={"board","add","delete","backplane","abort"};
int main(void)
{
char str[100]={0};
while (gets(str))
{
int len=strlen(str);
int flag=0;
int pos;
for(int i=0;i<len;i++)
{
if(str[i]==' ')
{
flag++;
pos=i;
}
}
if(flag==0)//一字串
{
char reset[20]="reset";
if(strncmp(reset,str,len)==0)
{
printf("reset what\n");
}
else
{
printf("unknown command\n");
}
}
else if(flag==1)//两字串
{
int cnt=0;
int result=0;
for(int i=0;i<5;i++)
{
if(strncmp(str,str1[i],pos)==0&&strncmp(str+pos+1,str2[i],len-pos-1)==0)
{
cnt++;
result=i;
}
}
if(cnt==1)
{
if(result==0)
{
printf("board fault\n");
}
else if(result==1)
{
printf("where to add\n");
}
else if(result==2)
{
printf("no board at all\n");
}
else if(result==3)
{
printf("impossible\n");
}
else if(result==4)
{
printf("install first\n");
}
}
else
{
printf("unknown command\n");
}
}
}
return 0;
}
