View Compilation Error

0_0_30763383_14857.cpp: In function 'int query(int, int, int)':
0_0_30763383_14857.cpp:49:24: error: 'retur' was not declared in this scope
     else if(l >= m +1) retur query(rt <<1|1, l, r);
                        ^
0_0_30763383_14857.cpp: In function 'int main()':
0_0_30763383_14857.cpp:64:13: error: 'ans' was not declared in this scope
             ans= -999999;
             ^
0_0_30763383_14857.cpp:66:44: error: 'l' was not declared in this scope
             if(ss[0] == 'Q') cout<<query(1,l,r)<<endl;
                                            ^
0_0_30763383_14857.cpp:66:46: error: 'r' was not declared in this scope
             if(ss[0] == 'Q') cout<<query(1,l,r)<<endl;
                                              ^