gym-10135I
题意:和H差不多,这个是找字符串中最长的镜像字串;
思路:一样的思路,标记下;
#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstring>
#define ll long long
using namespace std;
int main()
{
char s[];
char s1[]="WTYUIOAHXVM";
int flag[];
int ans;
int t;
int len;
int len1;
int sum,sum1;
int maxx;
int left,right;
cin>>t;
while(t--)
{
cin>>s;
len=strlen(s);
len1=strlen(s1);
memset(flag,,sizeof(flag));
for(int i=;i<len;i++)
{
for(int j=;j<len1;j++)
if(s[i]==s1[j])
{
flag[i]=;break;
}
}
ans=;
for(int i=;i<=len-;i++)
{
if(flag[i])
{
left=i-;right=i+;sum=;
while(left>=&&right<len)
{
if(s[left]==s[right]&&flag[left]&&flag[right])
{
sum+=;
left--;
right++;
}
else
break;
}
left=i;right=i+;sum1=;
while(left>=&&right<len)
{
if(s[left]==s[right]&&flag[left]&&flag[right])
{
sum1+=;
left--;
right++;
}
else
break; } maxx=max(sum,sum1);
ans=max(ans,maxx);
}
else
continue;
}
cout<<ans<<endl;
}
return ;
}
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