Main.cpp:28:2: error: extended character is not valid in an identifier
28 | if((f1&&!f2)||(!f1&&f2))f=0;
| ^
Main.cpp:28:5: error: extended character is not valid in an identifier
28 | if((f1&&!f2)||(!f1&&f2))f=0;
| ^
Main.cpp:28:8: error: extended character is not valid in an identifier
28 | if((f1&&!f2)||(!f1&&f2))f=0;
| ^
Main.cpp:28:11: error: extended character is not valid in an identifier
28 | if((f1&&!f2)||(!f1&&f2))f=0;
| ^
Main.cpp: In function 'int main()':
Main.cpp:28:2: error: '\U000000a0' was not declared in this scope
28 | if((f1&&!f2)||(!f1&&f2))f=0;
| ^
Main.cpp:27:14: warning: unused variable 'f1' [-Wunused-variable]
27 | bool f1=v[all[i]].count(all[j])+v[all[j]].count(all[j]),f2=((m&(m-1))==0);
| ^~
Main.cpp:27:65: warning: unused variable 'f2' [-Wunused-variable]
27 | bool f1=v[all[i]].count(all[j])+v[all[j]].count(all[j]),f2=((m&(m-1))==0);
| ^~
Main.cpp:35:18: warning: comparison of integer expressions of different signedness: 'std::set<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
35 | if(ans.size()==(1<<(x-1)))break;
| ~~~~~~~~~~^~~~~~~~~~~~