// Artur Kraska, II UWr #include <algorithm> #include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <vector> #include <cmath> #include <list> #include <set> #include <map> #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,R,PRED) ({typeof(P) X=P,RRR=(R), PPP = P; while(PPP<RRR) {X = (PPP+(RRR-PPP)/2); if(PRED) RRR = X; else PPP = X+1;} 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 deb(X) X; #define M 1000000007 #define INF 1000000007 using namespace std; int n, m, tab[1000007], a, b, num[1000007]; map <int, int> mapa; vector <pair<int, int> > v[1000007]; vector <int> kubelek[1000007], l; set <int> S; int main() { scanf("%d %d", &n, &m); forr(i, n) { scanf("%d", &tab[i]); mapa[tab[i]] = 1; } FOR(i, 2, m) { scanf("%d %d", &a, &b); a--; mapa[b] = 1; v[a].PB(MP(i, b)); } int nn = 0; FOREACH(it, mapa) { it->second = ++nn; } forr(i, n) { tab[i] = mapa[tab[i]]; FOREACH(it, v[i]) it->second = mapa[it->second]; } FOR(i, 1, m) l.PB(i); FORD(i, n-1, 0) { if(v[i].size() == 0) continue; int poz = 0, teraz = tab[i]; S.clear(); num[1] = teraz; S.insert(teraz); FOR(j, 2, m) { if(poz < v[i].size() && v[i][poz].first == j) { teraz = v[i][poz].second; S.insert(teraz); poz++; } num[j] = teraz; } FOREACH(it, l) { kubelek[num[*it]].PB(*it); } l.clear(); FOREACH(it, S) { FOREACH(it2, kubelek[*it]) l.PB(*it2); kubelek[*it].clear(); } /* cout << "po iteracji " << i << ": "; FOREACH(it, l) printf("%d ", *it); printf("\n"); */ } FOREACH(it, l) printf("%d ", *it); printf("\n"); 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | // Artur Kraska, II UWr #include <algorithm> #include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <vector> #include <cmath> #include <list> #include <set> #include <map> #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,R,PRED) ({typeof(P) X=P,RRR=(R), PPP = P; while(PPP<RRR) {X = (PPP+(RRR-PPP)/2); if(PRED) RRR = X; else PPP = X+1;} 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 deb(X) X; #define M 1000000007 #define INF 1000000007 using namespace std; int n, m, tab[1000007], a, b, num[1000007]; map <int, int> mapa; vector <pair<int, int> > v[1000007]; vector <int> kubelek[1000007], l; set <int> S; int main() { scanf("%d %d", &n, &m); forr(i, n) { scanf("%d", &tab[i]); mapa[tab[i]] = 1; } FOR(i, 2, m) { scanf("%d %d", &a, &b); a--; mapa[b] = 1; v[a].PB(MP(i, b)); } int nn = 0; FOREACH(it, mapa) { it->second = ++nn; } forr(i, n) { tab[i] = mapa[tab[i]]; FOREACH(it, v[i]) it->second = mapa[it->second]; } FOR(i, 1, m) l.PB(i); FORD(i, n-1, 0) { if(v[i].size() == 0) continue; int poz = 0, teraz = tab[i]; S.clear(); num[1] = teraz; S.insert(teraz); FOR(j, 2, m) { if(poz < v[i].size() && v[i][poz].first == j) { teraz = v[i][poz].second; S.insert(teraz); poz++; } num[j] = teraz; } FOREACH(it, l) { kubelek[num[*it]].PB(*it); } l.clear(); FOREACH(it, S) { FOREACH(it2, kubelek[*it]) l.PB(*it2); kubelek[*it].clear(); } /* cout << "po iteracji " << i << ": "; FOREACH(it, l) printf("%d ", *it); printf("\n"); */ } FOREACH(it, l) printf("%d ", *it); printf("\n"); return 0; } |