#include #include #define rep(i,b) for(int i=0;i=0;i--) #define rep1(i,b) for(int i=1;i=x;i--) #define fore(i,a) for(auto& i:a) #define rng(x) (x).begin(), (x).end() #define rrng(x) (x).rbegin(), (x).rend() #define sz(x) ((int)(x).size()) #define pb push_back #define fi first #define se second #define pcnt __builtin_popcountll using namespace std; using namespace atcoder; using ll = long long; using ld = long double; template using mpq = priority_queue, greater>; template bool chmax(T &a, const T &b) { if (a bool chmin(T &a, const T &b) { if (b ll sumv(const vector&a){ll res(0);for(auto&&x:a)res+=x;return res;} bool yn(bool a) { if(a) {cout << "Yes" << endl; return true;} else {cout << "No" << endl; return false;}} #define dame { cout << "No" << endl; return;} #define dame1 { cout << -1 << endl; return;} #define cout2(x,y) cout << x << " " << y << endl; #define coutp(p) cout << p.fi << " " << p.se << endl; #define out cout << ans << endl; #define outd cout << fixed << setprecision(20) << ans << endl; #define outm cout << ans.val() << endl; #define outv fore(yans , ans) cout << yans << "\n"; #define outdv fore(yans , ans) cout << yans.val() << "\n"; #define coutv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;} #define coutv2(v) fore(vy , v) cout << vy << "\n"; #define coutvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;} #define coutvm2(v) fore(vy , v) cout << vy.val() << "\n"; using pll = pair;using pil = pair;using pli = pair;using pii = pair;using pdd = pair; using vi = vector;using vd = vector;using vl = vector;using vs = vector;using vb = vector; using vpii = vector;using vpli = vector;using vpll = vector;using vpil = vector; using vvi = vector>;using vvl = vector>;using vvs = vector>;using vvb = vector>; using vvpii = vector>;using vvpli = vector>;using vvpll = vector;using vvpil = vector; using mint = modint998244353; //using mint = modint1000000007; //using mint = dynamic_modint<0>; using vm = vector; using vvm = vector>; vector dx={1,0,-1,0,1,1,-1,-1},dy={0,1,0,-1,1,-1,1,-1}; ll gcd(ll a, ll b) { return a?gcd(b%a,a):b;} ll lcm(ll a, ll b) { return a/gcd(a,b)*b;} #define yes {cout <<"Yes"<>n; if (n==1){ cout << 1 << " " << 1 << endl; cout << '.' << endl; return; } auto makeGrid = [&](auto self, int n)->vs{ if (n<=3){ if (n==3){ string tmp(4,'#'); vs s(4,tmp); tmp = string(4,'.'); tmp[3] = '#'; s[0] = tmp; s[1] = tmp; s[2][2] = '.'; s[2][3] = '.'; s[3][2] = '.'; s[3][3] = '.'; return s; }else if(n==2){ string tmp(2,'.'); vs s(2,tmp); return s; }else{ assert(0); } } int a = (n+1)/2; int b = n-a; vs reta = self(self,a); vs retb = self(self,b); int ka = sz(reta); int kb = sz(retb); string row(a-1+ka+kb, '#'); vs ret(a-1+ka+kb, row); rep(i,a+1) rep(j,b+1) ret[i][j] = '.'; repx(i,a,a+ka) repx(j,a,a+ka) ret[i][j] = reta[i-a][j-a]; repx(i,a-1+ka,a-1+ka+kb) repx(j,a-1+ka,a-1+ka+kb) ret[i][j] = retb[i-(a-1+ka)][j-(a-1+ka)]; ret[a][a] = '.'; return ret; }; vs ans = makeGrid(makeGrid, n); int k = sz(ans); cout << k << " " << k << endl; // show(k); rep(i,k) cout << ans[i] << endl; return; } int main(){ ios::sync_with_stdio(false); cin.tie(0); int t = 1; //cin>>t; rep(i,t){ solve(); } return 0; }