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- #include <bits/stdc++.h>
- using namespace std;
- int main()
- {
- int t;
- cin>>t;
- for(int j=0;j<t;j++)
- {
- string s;
- cin>>s;
- sort(s.begin(),s.end());
- bool d;
- int len =s.length();
- for(int i=1;i<len;i++)
- {
- int n,n1;
- n=s[i];
- n1=s[i+1];
- int r=n1-n;
- if(s[i]==s[i+1])
- {
- d=true;
- }
- if(len==1)
- {
- d=true;
- }
- if(r==1)
- {
- d=true;
- }
- else{
- d=false;
- }
- }
- if(d==true)
- {
- cout<<"yes"<<endl;
- }
- if(d==false)
- {
- cout<<"no"<<endl;
- }
- }
- return 0;
- }
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