//#define _GLIBCXX_DEBUG #include using namespace std; //#define endl '\n' #define lfs cout<= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD1 = 1e9+7; const ll MOD9 = 998244353; const ll INF = 1e18; using P = pair; templatebool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} templatebool chmax(T1 &a,T2 b){if(avoid ans(bool x,T1 y,T2 z){if(x)cout<void debug(vector>&v,ll h,ll w){for(ll i=0;i&v,ll h,ll w){for(ll i=0;ivoid debug(vector&v,ll n){if(n!=0)cout<vector>vec(ll x, ll y, T w){vector>v(x,vector(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vectordx={1,-1,0,0,1,1,-1,-1};vectordy={0,0,1,-1,1,-1,1,-1}; templatevector make_v(size_t a,T b){return vector(a,b);} templateauto make_v(size_t a,Ts... ts){return vector(a,make_v(ts...));} templateostream &operator<<(ostream &os, const pair&p){return os << p.first << " " << p.second;} templateostream &operator<<(ostream &os, const vector &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;} templatevoid rearrange(vector&ord, vector&v){ auto tmp = v; for(int i=0;ivoid rearrange(vector&ord,Head&& head, Tail&&... tail){ rearrange(ord, head); rearrange(ord, tail...); } //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); int popcount(ll x){return __builtin_popcountll(x);}; int poplow(ll x){return __builtin_ctzll(x);}; int pophigh(ll x){return 63 - __builtin_clzll(x);}; struct RandomNumberGenerator { mt19937_64 mt; RandomNumberGenerator() : mt(chrono::steady_clock::now().time_since_epoch().count()) {} ll operator()(ll a, ll b) { // [a, b) uniform_int_distribution< ll > dist(a, b - 1); return dist(mt); } ll operator()(ll b) { // [0, b) return (*this)(0, b); } }; //#define _DEBUG int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; vectora; ll n;cin>>n; auto ask=[&](ll i,ll j){ ll p,q; #ifdef _DEBUG p=a[i]/n-a[j]/n; q=a[i]%n-a[j]%n; if(p>q)swap(p,q); cout<<"?" spa i+1 spa j+1<>p>>q; #endif return MP(p,q); }; mapmp; ll sz=n*n-n; #ifdef _DEBUG a.assign(sz,0); rep(i,0,sz)cin>>a[i]; #endif ll k=0; //RandomNumberGenerator rng; //k=rng(0,sz); vector

p(sz); rep(i,0,sz){ if(i==k)continue; p[i]=ask(k,i); mp[p[i].fi]++; mp[p[i].se]++; } ll xr=-1,yr=-1; vector

tmp(p.begin(),p.end()); sort(ALL(tmp)); rep(x,1,n)rep(y,0,n){ vector

v; rep(i,1,n)rep(j,0,n){ v.EB(x-i,y-j); if(v.back().fi>v.back().se)swap(v.back().fi,v.back().se); } sort(ALL(v)); //debug(tmp,tmp.size()); //debug(v,v.size()); if(v==tmp){ assert(xr==-1&&yr==-1); xr=x,yr=y; } } //return 0; assert(xr!=-1); //cout<dame(sz); rep(i,0,sz)rep(j,i+1,sz){ if(p[i]==p[j]){ dame[i]=true; dame[j]=true; } } rep(i,0,sz){ if(!dame[i]){ if(xr-p[i].fi<1||xr-p[i].fi>=n||yr-p[i].se<0||yr-p[i].se>=n){ swap(p[i].fi,p[i].se); } } } ll s=-1,sx=-1,sy=-1; rep(i,0,sz){ if(i!=k&&!dame[i]&&(p[i].fi==0||p[i].se==0)){ s=i; sx=xr-p[i].fi; sy=yr-p[i].se; } } //cout<si.se)swap(si.fi,si.se); if(tp!=si)swap(p[i].fi,p[i].se); else swap(p[j].fi,p[j].se); } } vectorret(sz); rep(i,0,sz){ ll x=xr-p[i].fi,y=yr-p[i].se; //cout<