BestCoder 1st Anniversary ($) 1002.Hidden String

   BestCoder      .      Soda      
       
        n
           
       
        s
       .          
       
        s
                 
       
        s[l1..r1]
       , 
       
        s[l2..r2]
       , 
       
        s[l3..r3]
             :

  1. 
       
        1≤l1≤r1<l2≤r2<l3≤r3≤n
       

  2. 
       
        s[l1..r1]
       , 
       
        s[l2..r2]
       , 
       
        s[l3..r3]
                  "anniversary".

       .         
       
        T
        
       
        (1≤T≤100)
       ,         .         :

                
       
        s
        
       
        (1≤|s|≤100)
       .

      ,   Soda          ,   "YES",     "NO".

2
annivddfdersewwefary
nniversarya

YES
NO

#include<queue>
#include<stack>
#include<cstdio>
#include<iostream>
#include<algorithm>
using namespace std;

int get_index(string ss,string s,int p){ //    
    int slen=s.size();
    int sslen=ss.size();

    for(int i=p;i<=slen-sslen;i++){
        int first=1;
        for(int j=0;j<sslen;j++){
            if(ss[j]==s[i+j])
                continue;
            else{
                first=0;
                break;
            }
        }
        if(first){ return i+sslen; }
    }return -1;
}

bool judge(string s1,string s2,string s3,string s){
    int pp=get_index(s1,s,0);
    if(pp==-1) return false;
    pp=get_index(s2,s,pp);
    if(pp==-1) return false;
    pp=get_index(s3,s,pp);
    if(pp==-1) return false;
    return true;
}

int main(){
    int T;
    scanf("%d",&T);
    while(T--){
        string s;
        string str="anniversary";
        cin>>s;
        string s1="",s2,s3;
        bool ok=false;
        for(int i=1;i<=9;i++){ //  
            s1+=str[i-1];
            for(int j=i;j<=9;j++){
                s2="";s3="";
                for(int k=i;k<=j;k++) s2+=str[k];
                for(int k=j+1;k<11;k++) s3+=str[k];
                if(judge(s1,s2,s3,s)){
                    ok=true;
                    break;
                }
            }if(ok) break;
        }
        if(ok) printf("YES
");
        else printf("NO
");
    }return 0;
}