#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned int ui; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<long long> vll; const ll LINF = 1e18; const int INF = 1e9; const int N = 100000; class DisjointSet { public: vi parent; vi set_size; int size; DisjointSet(int n) : parent(n, -1), set_size(n, 0), size(0) {} void merge(int a, int b) { a = find(a); b = find(b); if (a == b) { return; } if (set_size[a] < set_size[b]) { swap(a, b); } parent[b] = a; set_size[a] += set_size[b]; --size; } int find(int a) { if (parent[a] == a) { return a; } parent[a] = find(parent[a]); return parent[a]; } void create(int a) { parent[a] = a; set_size[a] = 0; ++size; } void clear() { for (size_t i = 0; i < parent.size(); ++i) { parent[i] = -1; set_size[i] = 0; } size = 0; } }; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int canvas[N][2]; pii neighbors[4] = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}}; int n, k; cin >> n >> k; vector<pii> color_indeces(2 * n); for (int i = 0; i < n; ++i) { cin >> canvas[i][0]; --canvas[i][0]; color_indeces[canvas[i][0]] = make_pair(i, 0); } for (int i = 0; i < n; ++i) { cin >> canvas[i][1]; --canvas[i][1]; color_indeces[canvas[i][1]] = make_pair(i, 1); } vector<int> result(k + 1); DisjointSet set = DisjointSet(2 * n); for (int i = 0; i < 2 * n; ++i) { set.clear(); for (int j = i; j < 2 * n; ++j) { set.create(j); // check neighbors and merge pii coords = color_indeces[j]; for (int neigh_idx = 0; neigh_idx < 4; ++neigh_idx) { pii diff = neighbors[neigh_idx]; int new_x = (coords.first + diff.first); int new_y = (coords.second + diff.second); if (new_y < 0 || new_y >= 2) { continue; } if (new_x >= n) { new_x = 0; } if (new_x < 0) { new_x = n - 1; } int neigh = canvas[new_x][new_y]; if (neigh >= i && neigh <= j) { set.merge(j, neigh); } } if (set.size <= k) { result[set.size] += 1; } } } for (int i = 1; i <= k; ++i) { cout << result[i] << ' '; } cout << '\n'; return 0; }
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 | #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned int ui; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<long long> vll; const ll LINF = 1e18; const int INF = 1e9; const int N = 100000; class DisjointSet { public: vi parent; vi set_size; int size; DisjointSet(int n) : parent(n, -1), set_size(n, 0), size(0) {} void merge(int a, int b) { a = find(a); b = find(b); if (a == b) { return; } if (set_size[a] < set_size[b]) { swap(a, b); } parent[b] = a; set_size[a] += set_size[b]; --size; } int find(int a) { if (parent[a] == a) { return a; } parent[a] = find(parent[a]); return parent[a]; } void create(int a) { parent[a] = a; set_size[a] = 0; ++size; } void clear() { for (size_t i = 0; i < parent.size(); ++i) { parent[i] = -1; set_size[i] = 0; } size = 0; } }; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int canvas[N][2]; pii neighbors[4] = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}}; int n, k; cin >> n >> k; vector<pii> color_indeces(2 * n); for (int i = 0; i < n; ++i) { cin >> canvas[i][0]; --canvas[i][0]; color_indeces[canvas[i][0]] = make_pair(i, 0); } for (int i = 0; i < n; ++i) { cin >> canvas[i][1]; --canvas[i][1]; color_indeces[canvas[i][1]] = make_pair(i, 1); } vector<int> result(k + 1); DisjointSet set = DisjointSet(2 * n); for (int i = 0; i < 2 * n; ++i) { set.clear(); for (int j = i; j < 2 * n; ++j) { set.create(j); // check neighbors and merge pii coords = color_indeces[j]; for (int neigh_idx = 0; neigh_idx < 4; ++neigh_idx) { pii diff = neighbors[neigh_idx]; int new_x = (coords.first + diff.first); int new_y = (coords.second + diff.second); if (new_y < 0 || new_y >= 2) { continue; } if (new_x >= n) { new_x = 0; } if (new_x < 0) { new_x = n - 1; } int neigh = canvas[new_x][new_y]; if (neigh >= i && neigh <= j) { set.merge(j, neigh); } } if (set.size <= k) { result[set.size] += 1; } } } for (int i = 1; i <= k; ++i) { cout << result[i] << ' '; } cout << '\n'; return 0; } |