#include "bits/stdc++.h" // Tomasz Nowak using namespace std; // University of Warsaw using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define ssize(x) int(x.size()) template<class A, class B> auto& operator<<(ostream &o, pair<A, B> p) { return o << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &o, T x) -> decltype(x.end(), o) { o << '{'; int i = 0; for(auto e : x) o << (", ")+2*!i++ << e; return o << '}'; } #ifdef DEBUG #define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n' #else #define debug(...) {} #endif using Val = pair<int, array<int, 11>>; Val empty_val = [] { Val ret; ret.first = 11; fill(ret.second.begin(), ret.second.end(), 0); return ret; }(); Val merge(const Val &l, const Val &r) { Val ret = empty_val; ret.first = min(l.first, r.first); REP(i, 11) { auto retrieve = [&](const Val &x) { if(ret.first + i < x.first) return 0; return x.second[ret.first - x.first + i]; }; ret.second[i] = retrieve(l) + retrieve(r); } return ret; } struct Node { Val val; int lazy = 0; int subsz = 1; Node() { val = empty_val; } }; Node merge(const Node &l, const Node &r) { Node ret; ret.val = merge(l.val, r.val); ret.subsz = l.subsz + r.subsz; return ret; } struct Tree { int sz = 1; vector<Node> tree; Tree(vector<int> initial_comp_cnt) { int n = ssize(initial_comp_cnt); while(sz < n) sz *= 2; tree.resize(2 * sz); REP(i, n) { tree[i + sz].val.first = initial_comp_cnt[i]; tree[i + sz].val.second[0] = 1; } for(int v = sz - 1; v > 0; --v) tree[v] = merge(tree[2 * v], tree[2 * v + 1]); } void push(int v) { for(int u : {2 * v, 2 * v + 1}) { tree[u].val.first += tree[v].lazy; tree[u].lazy += tree[v].lazy; } tree[v].lazy = 0; } void disable(int i, int v = 1) { if(v >= sz) { tree[v] = Node(); return; } push(v); int m2 = tree[v].subsz / 2; disable(i >= m2 ? i - m2 : i, 2 * v + bool(i >= m2)); tree[v] = merge(tree[2 * v], tree[2 * v + 1]); } void add(int l, int r, int delta, int v = 1) { if(v == 1) debug(l, r, delta); if(l == 0 and r == tree[v].subsz - 1) { tree[v].val.first += delta; tree[v].lazy += delta; return; } push(v); int m2 = tree[v].subsz / 2; if(r < m2) add(l, r, delta, 2 * v); else if(l >= m2) add(l - m2, r - m2, delta, 2 * v + 1); else { add(l, m2 - 1, delta, 2 * v); add(0, r - m2, delta, 2 * v + 1); } tree[v] = merge(tree[2 * v], tree[2 * v + 1]); } Val get() { return tree[1].val; } }; int main() { cin.tie(0)->sync_with_stdio(0); #ifdef TESTRUN int n = int(1e5); int k = 10; mt19937 rng(0); vector<int> perm(2 * n); iota(perm.begin(), perm.end(), 0); shuffle(perm.begin(), perm.end(), rng); vector<array<int, 2>> in(n); REP(y, 2) REP(x, n) in[x][y] = perm[y * n + x]; #else int n, k; cin >> n >> k; vector<array<int, 2>> in(n); REP(y, 2) REP(x, n) { cin >> in[x][y]; --in[x][y]; } #endif debug(n, k, in); vector<pair<int, int>> col_to_coord(2 * n); REP(x, n) REP(y, 2) col_to_coord[in[x][y]] = {x, y}; debug(col_to_coord); vector<int> initial_comp_cnt(2 * n); vector<array<bool, 2>> lit(n, {{false, false}}); auto get_diff_comp_cnt = [&](int x, int y) { int xl = (x == 0 ? n - 1 : x - 1); int xr = (x == n - 1 ? 0 : x + 1); int y1 = y ^ 1; int by_side = int(lit[xl][y]) + int(lit[x][y1]) + int(lit[xr][y]); int by_point = int(lit[xl][y1]) + int(lit[xr][y1]); if(not lit[xl][y] and not lit[x][y1] and not lit[xr][y]) return 1; else if(by_side == 3 and by_point == 2) return 0; else if(by_side == 1) return 0; else if(by_side == 2 and lit[x][y1] and ((lit[xl][y] and lit[xl][y1]) or (lit[xr][y] and lit[xr][y1]))) return 0; else if(by_side == 2) return -1; else if(by_side == 3 and by_point == 1) return -1; else if(by_side == 3 and by_point == 0) return -2; else assert(false); }; REP(end, 2 * n) { static int comp_cnt = 0; auto [x, y] = col_to_coord[end]; comp_cnt += get_diff_comp_cnt(x, y); lit[x][y] = true; debug(end, comp_cnt); initial_comp_cnt[end] = comp_cnt; } debug(initial_comp_cnt); vector<LL> ans(k + 1); REP(end, 2 * n) if(initial_comp_cnt[end] <= k) ans[max(1, initial_comp_cnt[end])] += 1; Tree tree(initial_comp_cnt); REP(x, n) REP(y, 2) lit[x][y] = false; REP(removing, 2 * n) { auto [x, y] = col_to_coord[removing]; debug(removing, x, y); vector<int> time_points_changes = {2 * n}; for(int xx : {x == 0 ? n - 1 : x - 1, x, x == n - 1 ? 0 : x + 1}) for(int yy : {y, (y ^ 1)}) if(in[xx][yy] >= in[x][y]) time_points_changes.emplace_back(in[xx][yy]); sort(time_points_changes.begin(), time_points_changes.end()); debug(removing, time_points_changes); assert(time_points_changes.front() == removing and time_points_changes.back() == 2 * n); REP(it, ssize(time_points_changes) - 1) { int l = time_points_changes[it]; int r = time_points_changes[it + 1] - 1; auto [xx, yy] = col_to_coord[l]; lit[xx][yy] = true; debug(removing, l, lit); int diff = get_diff_comp_cnt(x, y); debug(removing, l, r, diff); if(l <= r) tree.add(l, r, -diff); } REP(it, ssize(time_points_changes) - 1) { auto [xx, yy] = col_to_coord[time_points_changes[it]]; lit[xx][yy] = false; } tree.disable(removing); Val tree_val = tree.get(); REP(i, 11) { int comp_cnt = max(1, tree_val.first + i); if(comp_cnt <= k) ans[comp_cnt] += tree_val.second[i]; } } FOR(comp_cnt, 1, k) cout << ans[comp_cnt] << ' '; cout << '\n'; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 | #include "bits/stdc++.h" // Tomasz Nowak using namespace std; // University of Warsaw using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define ssize(x) int(x.size()) template<class A, class B> auto& operator<<(ostream &o, pair<A, B> p) { return o << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &o, T x) -> decltype(x.end(), o) { o << '{'; int i = 0; for(auto e : x) o << (", ")+2*!i++ << e; return o << '}'; } #ifdef DEBUG #define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n' #else #define debug(...) {} #endif using Val = pair<int, array<int, 11>>; Val empty_val = [] { Val ret; ret.first = 11; fill(ret.second.begin(), ret.second.end(), 0); return ret; }(); Val merge(const Val &l, const Val &r) { Val ret = empty_val; ret.first = min(l.first, r.first); REP(i, 11) { auto retrieve = [&](const Val &x) { if(ret.first + i < x.first) return 0; return x.second[ret.first - x.first + i]; }; ret.second[i] = retrieve(l) + retrieve(r); } return ret; } struct Node { Val val; int lazy = 0; int subsz = 1; Node() { val = empty_val; } }; Node merge(const Node &l, const Node &r) { Node ret; ret.val = merge(l.val, r.val); ret.subsz = l.subsz + r.subsz; return ret; } struct Tree { int sz = 1; vector<Node> tree; Tree(vector<int> initial_comp_cnt) { int n = ssize(initial_comp_cnt); while(sz < n) sz *= 2; tree.resize(2 * sz); REP(i, n) { tree[i + sz].val.first = initial_comp_cnt[i]; tree[i + sz].val.second[0] = 1; } for(int v = sz - 1; v > 0; --v) tree[v] = merge(tree[2 * v], tree[2 * v + 1]); } void push(int v) { for(int u : {2 * v, 2 * v + 1}) { tree[u].val.first += tree[v].lazy; tree[u].lazy += tree[v].lazy; } tree[v].lazy = 0; } void disable(int i, int v = 1) { if(v >= sz) { tree[v] = Node(); return; } push(v); int m2 = tree[v].subsz / 2; disable(i >= m2 ? i - m2 : i, 2 * v + bool(i >= m2)); tree[v] = merge(tree[2 * v], tree[2 * v + 1]); } void add(int l, int r, int delta, int v = 1) { if(v == 1) debug(l, r, delta); if(l == 0 and r == tree[v].subsz - 1) { tree[v].val.first += delta; tree[v].lazy += delta; return; } push(v); int m2 = tree[v].subsz / 2; if(r < m2) add(l, r, delta, 2 * v); else if(l >= m2) add(l - m2, r - m2, delta, 2 * v + 1); else { add(l, m2 - 1, delta, 2 * v); add(0, r - m2, delta, 2 * v + 1); } tree[v] = merge(tree[2 * v], tree[2 * v + 1]); } Val get() { return tree[1].val; } }; int main() { cin.tie(0)->sync_with_stdio(0); #ifdef TESTRUN int n = int(1e5); int k = 10; mt19937 rng(0); vector<int> perm(2 * n); iota(perm.begin(), perm.end(), 0); shuffle(perm.begin(), perm.end(), rng); vector<array<int, 2>> in(n); REP(y, 2) REP(x, n) in[x][y] = perm[y * n + x]; #else int n, k; cin >> n >> k; vector<array<int, 2>> in(n); REP(y, 2) REP(x, n) { cin >> in[x][y]; --in[x][y]; } #endif debug(n, k, in); vector<pair<int, int>> col_to_coord(2 * n); REP(x, n) REP(y, 2) col_to_coord[in[x][y]] = {x, y}; debug(col_to_coord); vector<int> initial_comp_cnt(2 * n); vector<array<bool, 2>> lit(n, {{false, false}}); auto get_diff_comp_cnt = [&](int x, int y) { int xl = (x == 0 ? n - 1 : x - 1); int xr = (x == n - 1 ? 0 : x + 1); int y1 = y ^ 1; int by_side = int(lit[xl][y]) + int(lit[x][y1]) + int(lit[xr][y]); int by_point = int(lit[xl][y1]) + int(lit[xr][y1]); if(not lit[xl][y] and not lit[x][y1] and not lit[xr][y]) return 1; else if(by_side == 3 and by_point == 2) return 0; else if(by_side == 1) return 0; else if(by_side == 2 and lit[x][y1] and ((lit[xl][y] and lit[xl][y1]) or (lit[xr][y] and lit[xr][y1]))) return 0; else if(by_side == 2) return -1; else if(by_side == 3 and by_point == 1) return -1; else if(by_side == 3 and by_point == 0) return -2; else assert(false); }; REP(end, 2 * n) { static int comp_cnt = 0; auto [x, y] = col_to_coord[end]; comp_cnt += get_diff_comp_cnt(x, y); lit[x][y] = true; debug(end, comp_cnt); initial_comp_cnt[end] = comp_cnt; } debug(initial_comp_cnt); vector<LL> ans(k + 1); REP(end, 2 * n) if(initial_comp_cnt[end] <= k) ans[max(1, initial_comp_cnt[end])] += 1; Tree tree(initial_comp_cnt); REP(x, n) REP(y, 2) lit[x][y] = false; REP(removing, 2 * n) { auto [x, y] = col_to_coord[removing]; debug(removing, x, y); vector<int> time_points_changes = {2 * n}; for(int xx : {x == 0 ? n - 1 : x - 1, x, x == n - 1 ? 0 : x + 1}) for(int yy : {y, (y ^ 1)}) if(in[xx][yy] >= in[x][y]) time_points_changes.emplace_back(in[xx][yy]); sort(time_points_changes.begin(), time_points_changes.end()); debug(removing, time_points_changes); assert(time_points_changes.front() == removing and time_points_changes.back() == 2 * n); REP(it, ssize(time_points_changes) - 1) { int l = time_points_changes[it]; int r = time_points_changes[it + 1] - 1; auto [xx, yy] = col_to_coord[l]; lit[xx][yy] = true; debug(removing, l, lit); int diff = get_diff_comp_cnt(x, y); debug(removing, l, r, diff); if(l <= r) tree.add(l, r, -diff); } REP(it, ssize(time_points_changes) - 1) { auto [xx, yy] = col_to_coord[time_points_changes[it]]; lit[xx][yy] = false; } tree.disable(removing); Val tree_val = tree.get(); REP(i, 11) { int comp_cnt = max(1, tree_val.first + i); if(comp_cnt <= k) ans[comp_cnt] += tree_val.second[i]; } } FOR(comp_cnt, 1, k) cout << ans[comp_cnt] << ' '; cout << '\n'; } |