// Arti1990, II UWr #include <bits/stdc++.h> #define forr(i, n) for(int i=0; i<n; i++) #define FOREACH(iter, coll) for(auto iter = coll.begin(); iter != coll.end(); ++iter) #define FOREACHR(iter, coll) for(auto iter = coll.rbegin(); iter != coll.rend(); ++iter) #define lbound(P,K,FUN) ({auto SSS=P, PPP = P-1, KKK=(K)+1; while(PPP+1!=KKK) {SSS = (PPP+(KKK-PPP)/2); if(FUN(SSS)) KKK = SSS; else PPP = SSS;} PPP;}) #define testy() int _tests; scanf("%d", &_tests); FOR(_test, 1, _tests) #define CLEAR(tab) memset(tab, 0, sizeof(tab)) #define CONTAIN(el, coll) (coll.find(el) != coll.end()) #define FOR(i, a, b) for(int i=a; i<=b; i++) #define FORD(i, a, b) for(int i=a; i>=b; i--) #define MP make_pair #define PB push_back #define ff first #define ss second #define deb(X) X; #define M 1000000007 #define INF 1000000007LL using namespace std; int n, k, a, pocz, kon; int res[1000007]; struct graf { vector <int> l; bool byl; bool jest; int res; }; graf tab[100007]; int dfs(int nr) { if(nr == kon) { return kon; } if(tab[nr].byl) { if(tab[nr].jest) return INF; else return tab[nr].res; } tab[nr].byl = 1; tab[nr].jest = 1; tab[nr].res = tab[nr].l.size() > 0 ? nr : INF; for(auto el : tab[nr].l) tab[nr].res = max(tab[nr].res, dfs(el)); tab[nr].jest = 0; return tab[nr].res; } int solve() { scanf("%d", &n); FOR(i, 1, n) { set <int> s; scanf("%d", &k); forr(j, k) { scanf("%d", &a); s.insert(a); } for(auto el : s) tab[i].l.PB(el); } for(kon = 1; kon <= n; kon++) { FOR(i, 1, n) tab[i].byl = 0; for(pocz = 1; pocz <= n; pocz++) if(pocz != kon) { int x = dfs(pocz); if(x != INF) res[x]++; // cout << pocz << " do " << kon << " daje " << x << endl; } } long long suma = 0; FOR(i, 1, n) { suma += res[i]; printf("%lld ", suma); } printf("\n"); return 0; } int main() { solve(); 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 | // Arti1990, II UWr #include <bits/stdc++.h> #define forr(i, n) for(int i=0; i<n; i++) #define FOREACH(iter, coll) for(auto iter = coll.begin(); iter != coll.end(); ++iter) #define FOREACHR(iter, coll) for(auto iter = coll.rbegin(); iter != coll.rend(); ++iter) #define lbound(P,K,FUN) ({auto SSS=P, PPP = P-1, KKK=(K)+1; while(PPP+1!=KKK) {SSS = (PPP+(KKK-PPP)/2); if(FUN(SSS)) KKK = SSS; else PPP = SSS;} PPP;}) #define testy() int _tests; scanf("%d", &_tests); FOR(_test, 1, _tests) #define CLEAR(tab) memset(tab, 0, sizeof(tab)) #define CONTAIN(el, coll) (coll.find(el) != coll.end()) #define FOR(i, a, b) for(int i=a; i<=b; i++) #define FORD(i, a, b) for(int i=a; i>=b; i--) #define MP make_pair #define PB push_back #define ff first #define ss second #define deb(X) X; #define M 1000000007 #define INF 1000000007LL using namespace std; int n, k, a, pocz, kon; int res[1000007]; struct graf { vector <int> l; bool byl; bool jest; int res; }; graf tab[100007]; int dfs(int nr) { if(nr == kon) { return kon; } if(tab[nr].byl) { if(tab[nr].jest) return INF; else return tab[nr].res; } tab[nr].byl = 1; tab[nr].jest = 1; tab[nr].res = tab[nr].l.size() > 0 ? nr : INF; for(auto el : tab[nr].l) tab[nr].res = max(tab[nr].res, dfs(el)); tab[nr].jest = 0; return tab[nr].res; } int solve() { scanf("%d", &n); FOR(i, 1, n) { set <int> s; scanf("%d", &k); forr(j, k) { scanf("%d", &a); s.insert(a); } for(auto el : s) tab[i].l.PB(el); } for(kon = 1; kon <= n; kon++) { FOR(i, 1, n) tab[i].byl = 0; for(pocz = 1; pocz <= n; pocz++) if(pocz != kon) { int x = dfs(pocz); if(x != INF) res[x]++; // cout << pocz << " do " << kon << " daje " << x << endl; } } long long suma = 0; FOR(i, 1, n) { suma += res[i]; printf("%lld ", suma); } printf("\n"); return 0; } int main() { solve(); return 0; } |