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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int fre[26];
  4. int main()
  5. {
  6.     cin.tie(0);cout.tie(0);ios::sync_with_stdio(false);
  7.  
  8.     int i,n,m,t,a[100006];
  9.     string s;
  10.     cin>>n;
  11.     cin>>s;
  12.     for(i=0;i<n;i++)
  13.         s[i]=tolower(s[i]);
  14.     for(i=0;i<n;i++)
  15.     {
  16.         fre[s[i]-'a']++;
  17.     }
  18.     for(i=0;i<26;i++)
  19.     {
  20.         if(fre[i]==0)
  21.         {
  22.             cout<<"NO";
  23.             return 0;
  24.         }
  25.     }
  26.     cout<<"YES";
  27.     return 0 ;
  28. }
  29.  
Success #stdin #stdout 0.01s 5288KB
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stdin
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Standard input is empty
stdout
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NO
https://ideone.com/huD14j
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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