#include <iostream> #include <algorithm> #include <cmath> #include <vector> #include <string> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <queue> #include <deque> #include <cstdlib> #include <random> #include <climits> using namespace std; void input(long long &n, vector<vector<long long>> &G, deque<pair<long long, long long>> &sortedG, vector<long long> &cost, long long &sum) { long long x, a, b; cin >> n; for (int i = 0; i < n; i++) { cin >> x; cost.push_back(x); sortedG.push_back({-x, i}); sum += x; } sort(begin(sortedG), end(sortedG)); G.resize(n); for(int i = 0; i < n - 1; i++) { cin >> a >> b; G[a - 1].push_back(b - 1); G[b - 1].push_back(a - 1); } } pair<long long, long long> dfs(vector<vector<long long>> &G, vector<long long> &cost, long long x, long long parent, long long maks, long long &result, long long &sum) { if (cost[x] > maks) return {0, LLONG_MAX}; if (cost[x] == 0) return {0, 0}; vector<pair<long long, long long>> children; for (long long child : G[x]) { if (child != parent) { children.push_back(dfs(G, cost, child, x, maks, result, sum)); } } sort(begin(children), end(children)); long long ovrsize = cost[x], ovrremoved = 0; for (auto [size, removed] : children) { if (ovrsize + size <= maks) ovrsize += size; else { result += (size * size); sum -= size; ovrremoved++; } ovrremoved += removed; } return {ovrsize, ovrremoved}; } void solve(vector<vector<long long>> G, vector<long long> cost, deque<pair<long long, long long>> sortedG, long long k, long long new_sum, long long wtf, long long &best_res, bool change, long long guess) { if (change) { cost[sortedG[guess].second] = 0; new_sum += sortedG[guess].first; wtf += (sortedG[guess].first * sortedG[guess].first); sortedG.erase(sortedG.begin() + guess); } sort(begin(sortedG), end(sortedG)); for (int start = 0; start < sortedG.size(); start++) { if (cost[sortedG[start].second] == 0) continue; long long left = 1, right = LLONG_MAX, mid; while (left <= right) { mid = left + ((right - left) / 2); long long res = 0, sum_ = new_sum; long long val = dfs(G, cost, sortedG[start].second, -1, mid, res, sum_).second; if (val >= k || val < 0) left = mid + 1; else right = mid - 1; } long long result = 0, sum_ = new_sum; long long counter = dfs(G, cost, sortedG[start].second, -1, right + 1, result, sum_).second + 1; if (sum_ > right + 1) return; best_res = min(best_res, result + wtf + (sum_ * sum_)); if (counter < k) { if (-sortedG[0].first == right + 1) { solve(G, cost, sortedG, k - 1, new_sum, wtf, best_res, true, 0); } else { for (long long i = 0; i < sortedG.size(); i++) { if (cost[sortedG[i].second] != 0) { solve(G, cost, sortedG, k - 1, new_sum, wtf, best_res, true, i); } } } } } } int main() { ios_base::sync_with_stdio(0); long long t; cin >> t; while (t--) { long long n, u, v, sum = 0; vector<vector<long long>> G; vector<long long> cost_; deque<pair<long long, long long>> sortedG_; input(n, G, sortedG_, cost_, sum); for (int k = 1; k <= n; k++) { vector<long long> cost = cost_; deque<pair<long long, long long>> sortedG = sortedG_; long long counter = 0, result, sum_, new_sum = sum, wtf = 0, best_res = LLONG_MAX; solve(G, cost, sortedG, k, new_sum, wtf, best_res, false, 0); cout << best_res << " "; } 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 | #include <iostream> #include <algorithm> #include <cmath> #include <vector> #include <string> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <queue> #include <deque> #include <cstdlib> #include <random> #include <climits> using namespace std; void input(long long &n, vector<vector<long long>> &G, deque<pair<long long, long long>> &sortedG, vector<long long> &cost, long long &sum) { long long x, a, b; cin >> n; for (int i = 0; i < n; i++) { cin >> x; cost.push_back(x); sortedG.push_back({-x, i}); sum += x; } sort(begin(sortedG), end(sortedG)); G.resize(n); for(int i = 0; i < n - 1; i++) { cin >> a >> b; G[a - 1].push_back(b - 1); G[b - 1].push_back(a - 1); } } pair<long long, long long> dfs(vector<vector<long long>> &G, vector<long long> &cost, long long x, long long parent, long long maks, long long &result, long long &sum) { if (cost[x] > maks) return {0, LLONG_MAX}; if (cost[x] == 0) return {0, 0}; vector<pair<long long, long long>> children; for (long long child : G[x]) { if (child != parent) { children.push_back(dfs(G, cost, child, x, maks, result, sum)); } } sort(begin(children), end(children)); long long ovrsize = cost[x], ovrremoved = 0; for (auto [size, removed] : children) { if (ovrsize + size <= maks) ovrsize += size; else { result += (size * size); sum -= size; ovrremoved++; } ovrremoved += removed; } return {ovrsize, ovrremoved}; } void solve(vector<vector<long long>> G, vector<long long> cost, deque<pair<long long, long long>> sortedG, long long k, long long new_sum, long long wtf, long long &best_res, bool change, long long guess) { if (change) { cost[sortedG[guess].second] = 0; new_sum += sortedG[guess].first; wtf += (sortedG[guess].first * sortedG[guess].first); sortedG.erase(sortedG.begin() + guess); } sort(begin(sortedG), end(sortedG)); for (int start = 0; start < sortedG.size(); start++) { if (cost[sortedG[start].second] == 0) continue; long long left = 1, right = LLONG_MAX, mid; while (left <= right) { mid = left + ((right - left) / 2); long long res = 0, sum_ = new_sum; long long val = dfs(G, cost, sortedG[start].second, -1, mid, res, sum_).second; if (val >= k || val < 0) left = mid + 1; else right = mid - 1; } long long result = 0, sum_ = new_sum; long long counter = dfs(G, cost, sortedG[start].second, -1, right + 1, result, sum_).second + 1; if (sum_ > right + 1) return; best_res = min(best_res, result + wtf + (sum_ * sum_)); if (counter < k) { if (-sortedG[0].first == right + 1) { solve(G, cost, sortedG, k - 1, new_sum, wtf, best_res, true, 0); } else { for (long long i = 0; i < sortedG.size(); i++) { if (cost[sortedG[i].second] != 0) { solve(G, cost, sortedG, k - 1, new_sum, wtf, best_res, true, i); } } } } } } int main() { ios_base::sync_with_stdio(0); long long t; cin >> t; while (t--) { long long n, u, v, sum = 0; vector<vector<long long>> G; vector<long long> cost_; deque<pair<long long, long long>> sortedG_; input(n, G, sortedG_, cost_, sum); for (int k = 1; k <= n; k++) { vector<long long> cost = cost_; deque<pair<long long, long long>> sortedG = sortedG_; long long counter = 0, result, sum_, new_sum = sum, wtf = 0, best_res = LLONG_MAX; solve(G, cost, sortedG, k, new_sum, wtf, best_res, false, 0); cout << best_res << " "; } cout << "\n"; } return 0; } |