#include using namespace std; using ll = long long; int main(){ ll t; cin>>t; ll n; ll nm; ll f; vector data(200001); for(int i=0;i>n; nm=0; for(int j=0;j<200001;j++){ data[j]==0; } for(int j=0;j>data[j]; } for(int j=0;jdata[j+1]){ nm++; } } else if(nm==2){ if(data[j]