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- #include <iostream>
- #include <vector>
- #include <cstring>
- #include <algorithm>
- using namespace std;
- const int maxn = 100005;
- struct node {
- int year, idx, x, y;
- bool query;
- node() {}
- node(int _year, int _idx, int _x, int _y, bool _query) {
- year = _year;
- idx = _idx;
- x = _x;
- y = _y;
- query = _query;
- }
- bool operator < (const node &tmp) const {
- if(year == tmp.year) {
- return query < tmp.query;
- }
- return year < tmp.year;
- }
- };
- int parent[maxn], sz[maxn];
- void init() {
- for(int i = 0; i < maxn; i++) {
- parent[i] = i;
- sz[i] = 1;
- }
- }
- int find_root(int x) {
- while(x != parent[x]) {
- parent[x] = parent[parent[x]];
- x = parent[x];
- }
- return x;
- }
- bool check(int A, int B) {
- return find_root(A) == find_root(B);
- }
- void unite(int A, int B) {
- int root_a = find_root(A);
- int root_b = find_root(B);
- if(root_a != root_b) {
- if(sz[root_a] < sz[root_b]) {
- sz[root_b] += sz[root_a];
- parent[root_a] = parent[root_b];
- }
- else {
- sz[root_a] += sz[root_b];
- parent[root_b] = parent[root_a];
- }
- }
- }
- int main() {
- ios_base::sync_with_stdio(false);
- init();
- vector<node> v;
- int k;
- cin >> k;
- vector<int> y(k);
- for(int i = 0; i < k; i++) {
- cin >> y[i];
- v.push_back(node(y[i], i, -1, -1, true));
- }
- int n, m;
- cin >> n >> m;
- vector<vector<int> > mat(n, vector<int>(m));
- vector<vector<bool> > exploited(n, vector<bool>(m, false));
- for(int i = 0; i < n; i++) {
- for(int j = 0; j < m; j++) {
- cin >> mat[i][j];
- v.push_back(node(mat[i][j], -1, i, j, false));
- }
- }
- sort(v.begin(), v.end());
- vector<int> result(k);
- int oblasti = 0;
- int di[] = {-1, 1, 0, 0};
- int dj[] = {0, 0, -1, 1};
- for(int i = (int) v.size() - 1; i >= 0; i--) {
- if(v[i].query) {
- result[v[i].idx] = oblasti;
- }
- else {
- int pos_i = v[i].x;
- int pos_j = v[i].y;
- exploited[pos_i][pos_j] = true;
- oblasti++;
- for(int p = 0; p < 4; p++) {
- int ti = pos_i + di[p];
- int tj = pos_j + dj[p];
- if(ti >= 0 and ti < n and tj >= 0 and tj < m and exploited[ti][tj]) {
- int A = ti * m + tj;
- int B = pos_i * m + pos_j;
- if(!check(A, B)) {
- oblasti--;
- }
- unite(A, B);
- }
- }
- }
- }
- for(int i = 0; i < k; i++) {
- cout << result[i] << "\n";
- }
- return 0;
- }
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