#ifdef LOCAL //#define _GLIBCXX_DEBUG #else #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //#pragma GCC target("avx512f,avx512dq,avx512cd,avx512bw,avx512vl") #endif #include using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair P; typedef pair Pi; typedef vector Vec; typedef vector Vi; typedef vector Vs; typedef vector Vc; typedef vector

VP; typedef vector VVP; typedef vector VV; typedef vector VVi; typedef vector VVc; typedef vector VVV; typedef vector VVVV; typedef vector VVVVV; typedef vector VVVVVV; #define MAKEVV(variable, a, ...) VV variable(a, Vec(__VA_ARGS__)) #define MAKEVVc(variable, a, ...) VVc variable(a,Vc(__VA_ARGS__)) #define MAKEVVV(variable, a, b, ...) VVV variable(a, VV(b, Vec(__VA_ARGS__))) #define MAKEVVVV(variable, a, b, c, ...) VVVV variable(a, VVV(b, (VV(c, Vec(__VA_ARGS__))))) #define MAKEVVVVV(variable, a, b, c, d, ...) VVVVV variable(a, VVVV(b, (VVV(c, VV(d, Vec(__VA_ARGS__)))))) #define MAKEVVVVVV(variable, a, b, c, d, e, ...) VVVVVV variable(a, VVVVV(b, (VVVV(c, VVV(d, VV(e, Vec(__VA_ARGS__))))))) #define endl '\n' #define REP(i, a, b) for(ll i=(a); i<(b); i++) #define PER(i, a, b) for(ll i=(a); i>=(b); i--) #define rep(i, n) REP(i, 0, n) #define per(i, n) PER(i, n, 0) const ll INF = 4'000'000'000'000'000'010LL; const ll MOD=998244353; #define Yes(n) cout << ((n) ? "Yes" : "No") << endl; #define YES(n) cout << ((n) ? "YES" : "NO") << endl; #define ALL(v) v.begin(), v.end() #define rALL(v) v.rbegin(), v.rend() #define pb(x) push_back(x) #define mp(a, b) make_pair(a,b) #define Each(a,b) for(auto &a :b) #define rEach(i, mp) for (auto i = mp.rbegin(); i != mp.rend(); ++i) #define SUM(a) accumulate(ALL(a),0LL) #define outminusone(a) cout<< ( a==INF ? -1 : a ) <bool chmax(T &a, const S &b) { if (abool chmin(T &a, const S &b) { if (bauto lb(vector &X, T x){return lower_bound(ALL(X),x) - X.begin();} templateauto ub(vector &X, T x){return upper_bound(ALL(X),x) - X.begin();} ll popcnt(ll x){return __builtin_popcount(x);} ll topbit(ll t){return t==0?-1:63-__builtin_clzll(t);} ll floor(ll y,ll x){assert(x != 0);if(x < 0){y *= -1; x *= -1;}if(y < 0){return (y-x+1)/x;}return y/x;}; ll ceil(ll y, ll x){assert(x != 0);if(x < 0){y *= -1; x *= -1;}if(y < 0){return y/x;}return (y+x-1)/x;}; auto hasbit = [](ll x, ll i )->bool{return (1LL< istream &operator>>(istream &i, pair &p) { return i>>p.first>>p.second; } template istream &operator>>(istream &i, vector &v) { rep(j, v.size())i>>v[j]; return i; } template ostream &operator<<(ostream &s, const pair &p) { return s<<"("< ostream &operator<<(ostream &os, const vector &v) { bool f = false; for(const auto &d: v) { if(f) os<<" "; f = true; os< ostream &operator<<(ostream &os, const set &s) { os<<"{"; bool f = false; for(auto d: s) { if(f) os<<", "; f = true; os< ostream &operator<<(ostream &os, const multiset &s) { os<<"{"; bool f = false; for(auto d: s) { if(f) os<<", "; f = true; os< ostream &operator<<(ostream &os, const map &s) { bool f = false; os< void out(const Head &head, const Tail &...tail) { cout<ostream &operator<<(ostream &s, const vector> &vv) {int len=vv.size();for(int i=0; i auto operator<<(T&& x) {if (!first) os << ", ";first = false;os << x;return *this;}}; template void dbg0(T&&... t) {(PrettyOS{cerr, true} << ... << t);} #define dbg(...)do {cerr << #__VA_ARGS__ << ": ";dbg0(__VA_ARGS__);cerr << endl;} while (false); #else #define dbg(...) #endif template struct segtree { int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } public: segtree() : segtree(0) {} segtree(int n) : segtree(std::vector(n, e())) {} segtree(const std::vector& v) : _n(int(v.size())) { log = ceil_pow2(_n); size = 1 << log; d = std::vector(2 * size, e()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); return d[p + size]; } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); S sml = e(), smr = e(); l += size; r += size; while (l < r) { if (l & 1) sml = op(sml, d[l++]); if (r & 1) smr = op(d[--r], smr); l >>= 1; r >>= 1; } return op(sml, smr); } S all_prod() { return d[1]; } template int max_right(int l) { return max_right(l, [](S x) { return f(x); }); } template int max_right(int l, F f) { assert(0 <= l && l <= _n); assert(f(e())); if (l == _n) return _n; l += size; S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!f(op(sm, d[l]))) { while (l < size) { l = (2 * l); if (f(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template int min_left(int r) { return min_left(r, [](S x) { return f(x); }); } template int min_left(int r, F f) { assert(0 <= r && r <= _n); assert(f(e())); if (r == 0) return 0; r += size; S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!f(op(d[r], sm))) { while (r < size) { r = (2 * r + 1); if (f(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } void debug(ll n){ #ifdef LOCAL Vec segv; rep(i,n){ segv.pb(prod(i,i+1)); } dbg(segv); #endif } private: int _n, size, log; std::vector d; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } }; ll op(ll a, ll b) { return min(a, b); } ll e() { return INF; } //segtree seg(n) int solve(){ ll h,w; cin>>h>>w; VVc g(h,Vc(w)); cin>>g; VV dp(h,Vec(w,INF)); segtree seg(w); segtree seg1(w); segtree seg2(w); rep(j,w){ if(g[h-1][j] == '#')continue; dp[h-1][j] = 0; } per(i,h-2){ setst; rep(j,w){ seg.set(j, dp[i+1][j]); seg1.set(j,dp[i+1][j] + j); seg2.set(j,dp[i+1][j] + w - j); } st.insert(-1); st.insert(w); rep(j,w){ if(g[i][j] == '#'){ st.insert(j); } } rep(j,w){ if(g[i][j] == '#')continue; auto itr = st.lower_bound(j); ll R = *itr; itr--; ll L = *itr + 1; dbg(i,j,L,R); auto nibutan = [&](ll ok, ll ng, auto f)->ll { while (abs(ok-ng) > 1) { ll mid = (ok+ng)/2; tie(ok, ng) = (f(mid) ? mp(mid, ng) : mp(ok, mid)); } return ok; }; auto judge = [&](ll mid)->bool{ //midが可能か? ll r = min(w, j + mid + 1); chmin(r, R); return seg1.prod(r,w) <= mid + j; }; auto judge2 = [&](ll mid)->bool{ //midが可能か? ll l = max(0LL,j - mid); chmax(l, L); return seg2.prod(0,l) <= mid + w - j; }; auto judge3 = [&](ll mid)->bool{ //midが可能か? ll l = max(0LL,j - mid); ll r = min(w, j + mid + 1); chmax(l, L); chmin(r, R); return seg.prod(l,r) <= mid; }; ll ok = nibutan(w+2,-1,judge); chmin(ok, nibutan(w+2,-1,judge2)); chmin(ok, nibutan(w+2,-1,judge3)); dp[i][j] = ok; } } dbg(dp); rep(j,w){ out(dp[0][j]); } return 0; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); cout<>T; // while(T--) solve(); }