#include using namespace std; using Int = long long; const char newl = '\n'; template inline void chmin(T1 &a,T2 b){if(a>b) a=b;} template inline void chmax(T1 &a,T2 b){if(a void drop(const T &x){cout< vector read(size_t n){ vector ts(n); for(size_t i=0;i>ts[i]; return ts; } //INSERT ABOVE HERE void solve(){ Int n; cin>>n; vector ps(n,-1); Int cnt=0; while(true){ cout<<"?"; for(Int i=1;i0) break; } cout<<"!"; for(Int i=0;i>T; while(T--) solve(); return 0; }