answer.code: In function ‘void solve()’:
answer.code:78:141: error: request for member ‘first’ in ‘t.std::pair<long long int, std::pair<long long int, long long int> >::first’, which is of non-class type ‘long long int’
   78 |                                         if(t.second.second>q[i-1][j].second.first&&q[i-1][j].second.first!=q[i-1][j].second.second&&t.first.first!=t.second.second){f=false;break;}
      |                                                                                                                                             ^~~~~