#include #include #include #include #include #include #include #include #include #include #include #include #include #define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl; #define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl; template inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } using namespace std; typedef long long ll; template vector> vec2d(int n, int m, T v){ return vector>(n, vector(m, v)); } template vector>> vec3d(int n, int m, int k, T v){ return vector>>(n, vector>(m, vector(k, v))); } template void print_vector(vector v, char delimiter=' '){ if(v.empty()) { cout << endl; return; } for(int i = 0; i+1 < v.size(); i++) cout << v[i] << delimiter; cout << v.back() << endl; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << setprecision(10) << fixed; int n; cin >> n; auto ask = [&](int l, int r){ cout << "? " << l+1 << ' ' << r+1 << endl; int ans; cin >> ans; return ans; }; vector ans(n); vector sum(n); for(int r = 1; r < n-1; r++){ sum[r] = ask(0, r); } sum[n-1] = (n*(n+1))/2; for(int i = 2; i < n; i++){ ans[i] = sum[i]-sum[i-1]; } ans[1] = ask(1, 2)-ans[2]; vector used(n+1); for(int i = 1; i < n; i++){ used[ans[i]] = true; } for(int x = 1; x <= n; x++){ if(!used[x]) ans[0] = x; } cout << "! "; print_vector(ans); }