func_code_string: #include <cmath>   #include <cstdio>   #include <string>   #include <cstring>   #include <iostream>   #include <algorithm>   using namespace std;   typedef long long ll;   const int N = 55;   const int mod = 1e9 + 7;         int t , n , m ,ans;   char s[N];   int a[N];      void solve(){       cin>>s + 1;       int len = strlen( s + 1);       int flag = 1; // 1 : smaller       int cnt = 0;       while( cnt < len ){           if( cnt < len){               for(int i = 1;i <= len; ++ i){                   if( !a[i] ) {                       a[i] = 1 , ++cnt ;                       if( s[i] !=  a  ) s[i] =  a  ;                       else s[i] =  b  ;                       break;                   }               }           }           if( cnt < len){               for(int i = 1;i <= len; ++ i){                   if( !a[i] ) {                       a[i] = 1 , ++cnt;                       if( s[i] !=  z  ) s[i] =  z  ;                       else s[i] =  y ;                       break;                   }               }           }       }       for(int i = 1;i <= len; ++ i) cout<<s[i];       memset(a ,0 , sizeof(a) );       cout<<endl;   }      int main(){       ios::sync_with_stdio(false);       cin.tie(0);       cin>>t;       while( t -- ) solve();       return 0;   }   