View Compilation Error

0_0_31775870_31743.cpp: In function 'll query(TrieNode, ll, ll)':
0_0_31775870_31743.cpp:64:32: error: invalid operands of types '__gnu_cxx::__promote_2<int, long long int, double, double>::__type {aka double}' and 'const ll {aka const long long int}' to binary 'operator%'
                 t=(t*pow(2,i))%mod;
                                ^