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  1. #include <iostream>
  2. #include <map>
  3. #include <cstring>
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.     int n, i;
  9.     cin>>n;
  10.     for(i=0;i<n;i++)
  11.     {
  12.         map<char, int> m;
  13.         map<char, int>:: iterator k, l;
  14.         int len, j, count=0, sum=0, flag=0;
  15.         string str;
  16.         cin>>str;
  17.         len=str.length();
  18.         if(len<4)
  19.         {
  20.             cout<<"NO\n";
  21.         }
  22.         else
  23.         {
  24.             for(j=0;j<len;j++)
  25.             {
  26.                 m[str[j]]+=1;
  27.             }
  28.             for(k=m.begin();k!=m.end();k++)
  29.             {
  30.                 count++;
  31.                 sum+=k->second;
  32.                 if(count>=4)
  33.                 {
  34.                     break;
  35.                 }
  36.             }
  37.             if(count==1 && sum>=10)
  38.             {
  39.                 cout<<"YES\n";
  40.             }
  41.             else if(count==2 && sum>=7)
  42.             {
  43.                 for(k=m.begin();k!=m.end();k++)
  44.                 {
  45.                     if(k->second==1)
  46.                     {
  47.                         l=k;
  48.                         flag=1;
  49.                         break;
  50.                     }
  51.                 }
  52.                 if(flag==1)
  53.                 {
  54.                     int p=str.find(l->first);
  55.                     if(p>=len/2)
  56.                     {
  57.                         cout<<"YES\n";
  58.                     }
  59.                     else
  60.                     {
  61.                         cout<<"NO\n";
  62.                     }
  63.                 }
  64.                 else
  65.                 {
  66.                     cout<<"YES\n";
  67.                 }
  68.             }
  69.             else if(count==3 && sum>=5)
  70.             {
  71.                 cout<<"YES\n";
  72.             }
  73.             else if(count>=4)
  74.             {
  75.                 cout<<"YES\n";
  76.             }
  77.             else
  78.             {
  79.                 cout<<"NO\n";
  80.             }
  81.         }    
  82.     }
  83.     return 0;
  84. }
  85.  
Success #stdin #stdout 0s 3476KB
comments (?)
stdin
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1
hello
stdout
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YES
https://ideone.com/HNdxrq
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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