#include <bits/stdc++.h> using namespace std; using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define ssize(x) int(x.size()) template<class A, class B> auto& operator<<(ostream &o, pair<A, B> p) { return o << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &o, T x) -> decltype(x.end(), o) { o << '{'; int i = 0; for(auto e : x) o << (", ")+2*!i++ << e; return o << '}'; } #ifdef DEBUG #define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n' #else #define debug(...) {} #endif int main() { cin.tie(0)->sync_with_stdio(0); int n; cin >> n; vector<vector<int>> g(n), r(n); REP(i, n) { int k; cin >> k; g[i].resize(k); for(int &x : g[i]) { cin >> x; r[--x].emplace_back(i); } } vector<int> ans(n); REP(i, n) { int ile = -1; vector<int> deg(n); REP(j, n) deg[j] = ssize(g[j]); debug(i); function<void(int, int)> prop = [&](int v, int k) { debug(v, k); ile++; for(int u : r[v]) if(--deg[u] == 0 && u <= k && u != i) prop(u, k); }; prop(i, -1); REP(j, n) { if(deg[j] == 0 && j != i) prop(j, j); if(j >= i) ans[j] += ile; } } REP(i, n) cout << ans[i] << " "; 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 namespace std; using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define ssize(x) int(x.size()) template<class A, class B> auto& operator<<(ostream &o, pair<A, B> p) { return o << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &o, T x) -> decltype(x.end(), o) { o << '{'; int i = 0; for(auto e : x) o << (", ")+2*!i++ << e; return o << '}'; } #ifdef DEBUG #define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n' #else #define debug(...) {} #endif int main() { cin.tie(0)->sync_with_stdio(0); int n; cin >> n; vector<vector<int>> g(n), r(n); REP(i, n) { int k; cin >> k; g[i].resize(k); for(int &x : g[i]) { cin >> x; r[--x].emplace_back(i); } } vector<int> ans(n); REP(i, n) { int ile = -1; vector<int> deg(n); REP(j, n) deg[j] = ssize(g[j]); debug(i); function<void(int, int)> prop = [&](int v, int k) { debug(v, k); ile++; for(int u : r[v]) if(--deg[u] == 0 && u <= k && u != i) prop(u, k); }; prop(i, -1); REP(j, n) { if(deg[j] == 0 && j != i) prop(j, j); if(j >= i) ans[j] += ile; } } REP(i, n) cout << ans[i] << " "; cout << "\n"; } |