#include <cstdio> #include <unordered_set> #include <vector> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define VAR(v,w) __typeof(w) v=(w) #define FORE(it,c) for(VAR(it,(c).begin());it!=(c).end();++it) #define PB push_back #define SIZE(c) ((int)(c).size()) #define INT(x) int x; scanf("%d", &x) typedef long long LL; typedef vector<int> VI; typedef vector<VI> VVI; VVI p; int main() { INT(n); p.resize(n); REP(i,n) { INT(l); p.reserve(l); REP(j,l) { INT(x); p[i].PB(x - 1); } } REP(k,n) { LL r = 0; REP(to,k+1) { unordered_set<int> from; from.insert(to); unordered_set<int> notFrom; REP(i,k+1) if (i != to) notFrom.insert(i); bool change = 0; do { change = 0; int toAdd = -1; FORE(it,notFrom) { bool ok = 1; FORE(jt,p[*it]) if (from.find(*jt) == from.end()) { ok = 0; break; } if (ok) { toAdd = *it; change = 1; break; } } if (toAdd >= 0) { from.insert(toAdd); notFrom.erase(toAdd); } } while (change); r += SIZE(from) - 1; } if (k) printf(" "); printf("%lld", r); } printf("\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 64 65 | #include <cstdio> #include <unordered_set> #include <vector> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define VAR(v,w) __typeof(w) v=(w) #define FORE(it,c) for(VAR(it,(c).begin());it!=(c).end();++it) #define PB push_back #define SIZE(c) ((int)(c).size()) #define INT(x) int x; scanf("%d", &x) typedef long long LL; typedef vector<int> VI; typedef vector<VI> VVI; VVI p; int main() { INT(n); p.resize(n); REP(i,n) { INT(l); p.reserve(l); REP(j,l) { INT(x); p[i].PB(x - 1); } } REP(k,n) { LL r = 0; REP(to,k+1) { unordered_set<int> from; from.insert(to); unordered_set<int> notFrom; REP(i,k+1) if (i != to) notFrom.insert(i); bool change = 0; do { change = 0; int toAdd = -1; FORE(it,notFrom) { bool ok = 1; FORE(jt,p[*it]) if (from.find(*jt) == from.end()) { ok = 0; break; } if (ok) { toAdd = *it; change = 1; break; } } if (toAdd >= 0) { from.insert(toAdd); notFrom.erase(toAdd); } } while (change); r += SIZE(from) - 1; } if (k) printf(" "); printf("%lld", r); } printf("\n"); } |