#include <bits/stdc++.h> #define rep(i, a, b) for (int i = a; i <= b; i++) #define per(i, a, b) for (int i = b; a <= i; i--) #define cat(x) cerr << #x << " = " << x << '\n'; using ll = long long; using namespace std; // SCC + Frodo + LCT => Areny // but how to solve Frodo? const int N = 200200; int n, cnt[N], mx[N]; ll res[N]; vector<int> e[N], r[N]; queue<int> q; int main() { cin.tie(0)->sync_with_stdio(0); cin >> n; rep(a, 1, n) { int m; cin >> m; while (m--) { int b; cin >> b; e[a].push_back(b); r[b].push_back(a); } } rep(b, 1, n) { rep(i, 1, n) { cnt[i] = int(e[i].size()); mx[i] = i; } q.push(b); while (!q.empty()) { int u = q.front(); q.pop(); if (u != b) res[mx[u]]++; for (auto v : r[u]) { mx[v] = max(mx[v], mx[u]); if (--cnt[v] == 0) { if (v != b) { q.push(v); } } } } } rep(i, 1, n) { res[i] += res[i - 1]; cout << res[i] << ' '; } 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 | #include <bits/stdc++.h> #define rep(i, a, b) for (int i = a; i <= b; i++) #define per(i, a, b) for (int i = b; a <= i; i--) #define cat(x) cerr << #x << " = " << x << '\n'; using ll = long long; using namespace std; // SCC + Frodo + LCT => Areny // but how to solve Frodo? const int N = 200200; int n, cnt[N], mx[N]; ll res[N]; vector<int> e[N], r[N]; queue<int> q; int main() { cin.tie(0)->sync_with_stdio(0); cin >> n; rep(a, 1, n) { int m; cin >> m; while (m--) { int b; cin >> b; e[a].push_back(b); r[b].push_back(a); } } rep(b, 1, n) { rep(i, 1, n) { cnt[i] = int(e[i].size()); mx[i] = i; } q.push(b); while (!q.empty()) { int u = q.front(); q.pop(); if (u != b) res[mx[u]]++; for (auto v : r[u]) { mx[v] = max(mx[v], mx[u]); if (--cnt[v] == 0) { if (v != b) { q.push(v); } } } } } rep(i, 1, n) { res[i] += res[i - 1]; cout << res[i] << ' '; } return 0; } |