func_code_string: #include <bits/stdc++.h>   using namespace std;   int gcd(long long a, long long b) {     if (b == 0) {       return a;     } else {       return gcd(b, a % b);     }   }   int main() {     ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);     ;     long long i, j, k, n, m, t = 1;     cin >> t;     while (t--) {       string s;       cin >> s;       n = s.size();       map<char, long long> make_pair;       long long mx = INT_MIN;       for (i = 0; i < n; i++) {         make_pair[s[i]]++;       }       for (char c =  0 ; c <=  9 ; c++) {         if (make_pair[c] > mx) {           mx = make_pair[c];         }       }       for (char c1 =  0 ; c1 <  9 ; c1++) {         for (char c2 = c1 + 1; c2 <=  9 ; c2++) {           k = 0;           char prev =  $ ;           for (i = 0; i < n; i++) {             if (s[i] == c1) {               if (prev == c2) {                 prev = c1;                 k++;               } else if (prev ==  $ ) {                 prev = c1;                 k++;               }             } else if (s[i] == c2) {               if (prev == c1) {                 prev = c2;                 k++;               } else if (prev ==  $ ) {                 prev = c2;                 k++;               }             }           }           if (k > mx && k % 2 == 0) {             mx = k;           } else if ((k - 1) > mx && (k - 1) % 2 == 0) {             mx = k - 1;           }         }       }       cout << s.size() - mx << endl;     }     return 0;   }   