#include <bits/stdc++.h> using ll = long long; using namespace std; const int MAXN = 2005; vector<pair<int, ll>> g[MAXN]; ll r[MAXN]; int vis[MAXN], boomed[MAXN]; ll dist[MAXN][MAXN]; int32_t main() { ios_base::sync_with_stdio(0); int n; cin >> n; for (int i = 1; i <= n; i++) { cin >> r[i]; } for (int i = 1; i < n; i++) { ll a, b, w; cin >> a >> b >> w; g[a].push_back({b, w}); g[b].push_back({a, w}); } for (int i = 1; i <= n; i++) { queue<int> q; q.push(i); vis[i] = i; dist[i][i] = 0; while (!q.empty()) { int v = q.front(); q.pop(); for (auto u : g[v]) { if (vis[u.first] != i) { vis[u.first] = i; dist[i][u.first] = dist[i][v] + u.second; q.push(u.first); } } } } for (int i = 1; i <= n; i++) { queue<int> q; q.push(i); int booms = 1; boomed[i] = i; while (!q.empty()) { int v = q.front(); q.pop(); for (int j = 1; j <= n; j++) { if (boomed[j] != i && dist[v][j] <= r[v]) { booms++; boomed[j] = i; q.push(j); } } } cout << booms << " "; } 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 | #include <bits/stdc++.h> using ll = long long; using namespace std; const int MAXN = 2005; vector<pair<int, ll>> g[MAXN]; ll r[MAXN]; int vis[MAXN], boomed[MAXN]; ll dist[MAXN][MAXN]; int32_t main() { ios_base::sync_with_stdio(0); int n; cin >> n; for (int i = 1; i <= n; i++) { cin >> r[i]; } for (int i = 1; i < n; i++) { ll a, b, w; cin >> a >> b >> w; g[a].push_back({b, w}); g[b].push_back({a, w}); } for (int i = 1; i <= n; i++) { queue<int> q; q.push(i); vis[i] = i; dist[i][i] = 0; while (!q.empty()) { int v = q.front(); q.pop(); for (auto u : g[v]) { if (vis[u.first] != i) { vis[u.first] = i; dist[i][u.first] = dist[i][v] + u.second; q.push(u.first); } } } } for (int i = 1; i <= n; i++) { queue<int> q; q.push(i); int booms = 1; boomed[i] = i; while (!q.empty()) { int v = q.front(); q.pop(); for (int j = 1; j <= n; j++) { if (boomed[j] != i && dist[v][j] <= r[v]) { booms++; boomed[j] = i; q.push(j); } } } cout << booms << " "; } cout << "\n"; } |