View Compilation Error

0_0_37901584_14846.cpp: In function 'char get(int, long long int)':
0_0_37901584_14846.cpp:46:15: error: 'to' was not declared in this scope
    if (k<=siz[to])
               ^
0_0_37901584_14846.cpp:52:3: error: 'else' without a previous 'if'
   else
   ^
0_0_37901584_14846.cpp:53:18: error: 'i' was not declared in this scope
    if (k<=e[now][i].second.size())
                  ^