49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
#include "iostream"
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#include "stdio.h"
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#include "math.h"
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#include "vector"
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#include "queue"
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#include "memory.h"
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#include "algorithm"
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#include "string.h"
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using namespace std;
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#define N 105
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char str[N];
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int Div(int s,int t)
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{
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int center=-2;
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if(s==t)
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center=-1;
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bool flag=(t-s+1)%2;
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while(t>s&&str[s]==str[t])
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s++,t--;
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if(s>t&&!flag)//even
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center=-1;
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else if(s==t&&flag)//odd
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center=s;
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return center;
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}
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int main()
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{
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int center1,center2,center;
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while(cin>>str&&strcmp(str,"#")!=0)
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{
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int len=strlen(str);
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bool flag=false;
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for(int i=0;i<len;i++)
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{
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center1=Div(0,i);
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center2=Div(i+1,len-1);
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if(center1!=-2&¢er2!=-2)
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{
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center=center1==-1?center2:center1;
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cout<<"YES "<<center<<endl;
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flag=true;
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break;
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}
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}
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if(!flag)
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printf("NO\n");
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}
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}
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