0_0_21380185_26749.cpp: In function 'int main()':
0_0_21380185_26749.cpp:38:35: error: invalid operands of types '__gnu_cxx::__promote_2<int, long long int, double, double>::__type {aka double}' and 'const int' to binary 'operator%'
ll f21=(three*(pow(2,n+1)%mod+(n%2 ? -1:1)+mod)%mod-(n%2 ? 0:1)+mod)%mod;
^
0_0_21380185_26749.cpp:39:32: error: invalid operands of types '__gnu_cxx::__promote_2<int, long long int, double, double>::__type {aka double}' and 'const int' to binary 'operator%'
ll x1=(pow(2,n)-1+mod)%mod;
^
0_0_21380185_26749.cpp:44:47: error: invalid operands of types '__gnu_cxx::__promote_2<int, int, double, double>::__type {aka double}' and 'const int' to binary 'operator%'
ll x3=2*(pow(4,int(n/2.0))-1+mod)%mod*three%mod;
^
0_0_21380185_26749.cpp:45:60: error: invalid operands of types '__gnu_cxx::__promote_2<long long int, int, double, double>::__type {aka double}' and 'const int' to binary 'operator%'
ll x4=(x2-1+mod)%mod*pow((x1-1+mod)%mod,mod-2)%mod;
^
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