#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- string S[2020]; int N; int ty,tx; const int MA=2000; void dfs(int N) { if(N==1) return; int L=N/2; int R=N-L; int y,x; FOR(y,L+1) FOR(x,R+1) S[ty+y][tx+x]='.'; ty+=L; tx+=R; dfs(L); dfs(R); } void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(y,MA) S[y]=string(MA,'#'); dfs(N); for(x=tx;x