#include <bits/stdc++.h> using namespace std; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define rep(i, a, b) for(int i = a; i < (b); ++i) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() #define ssize(x) int(x.size()) #define pb push_back #define fi first #define se second #define ld long double typedef long long ll; typedef vector<int> vi; typedef pair<int, int> pii; typedef pair <ld, ld> pd; using LL=long long; #ifdef DEBUG auto &operator<<(auto &o, pair<auto, auto> p) { return o << "()" << p.first << ", " << p.second <<")"; } auto operator<<(auto &o, auto x)-> decltype(x.end(), o) { o << "{";int i = 0; for(auto e : x) o << ", "+!i++<<e; return o <<"}"; } #define debug(x...) cerr << "["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(x) #else #define debug(...) {} #endif const int MAXN = 36; int N, M; short good[MAXN]; unordered_map<ll, short> visited_masks[1007]; int solve_mask(vector<pii> &orders, ll mask, int cur) { if (cur == -1) { visited_masks[cur + 1][mask] = 1; return 1; } if (visited_masks[cur + 1].find(mask) != visited_masks[cur + 1].end()) { return visited_masks[cur + 1][mask]; } int a = orders[cur].fi; int b = orders[cur].se; if ( ((mask >> a) & 1) && !((mask >> b) & 1)) { visited_masks[cur + 1][mask] = 0; return 0; } if ( ((mask >> b) & 1) && !((mask >> a) & 1)) { ll old = mask; ll current = mask; current |= (1ll << a); current &= (1ll << N) - 1 - (1ll << b); int res1 = solve_mask(orders, old, cur - 1); int res2 = solve_mask(orders, current, cur - 1); int actual = (res1 + res2) & 1; visited_masks[cur + 1][mask] = actual; return actual; } else { return solve_mask(orders, mask, cur - 1); } } void solve() { cin >> N >> M; vector<pii> orders(M); REP(i, M) { cin >> orders[i].fi >> orders[i].se; orders[i].fi--; orders[i].se--; } for (int k = 2; k < N; k++) { // Ile ma byc zapalonych ll initial = 0; for (int j = 0; j < k; j++) { initial += (1ll << j); } for (int j = 0; j <= N - k; j++) { // Kiedy sie zaczyna good[k] = (solve_mask(orders, initial, M - 1) + good[k]) & 1; initial -= (1ll << j); if (j < N - k) initial += (1ll << (j + k)); } REP(i, M) visited_masks[i].clear(); } good[1] = N & 1; good[N] = 1; for (int i = 1; i <= N; i++) { cout << (good[i] & 1) << ' '; } cout << '\n'; } signed main() { cin.tie(0)->sync_with_stdio(0); int t = 1; // cin >> t; while(t--) { solve(); } }
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | #include <bits/stdc++.h> using namespace std; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) #define rep(i, a, b) for(int i = a; i < (b); ++i) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() #define ssize(x) int(x.size()) #define pb push_back #define fi first #define se second #define ld long double typedef long long ll; typedef vector<int> vi; typedef pair<int, int> pii; typedef pair <ld, ld> pd; using LL=long long; #ifdef DEBUG auto &operator<<(auto &o, pair<auto, auto> p) { return o << "()" << p.first << ", " << p.second <<")"; } auto operator<<(auto &o, auto x)-> decltype(x.end(), o) { o << "{";int i = 0; for(auto e : x) o << ", "+!i++<<e; return o <<"}"; } #define debug(x...) cerr << "["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(x) #else #define debug(...) {} #endif const int MAXN = 36; int N, M; short good[MAXN]; unordered_map<ll, short> visited_masks[1007]; int solve_mask(vector<pii> &orders, ll mask, int cur) { if (cur == -1) { visited_masks[cur + 1][mask] = 1; return 1; } if (visited_masks[cur + 1].find(mask) != visited_masks[cur + 1].end()) { return visited_masks[cur + 1][mask]; } int a = orders[cur].fi; int b = orders[cur].se; if ( ((mask >> a) & 1) && !((mask >> b) & 1)) { visited_masks[cur + 1][mask] = 0; return 0; } if ( ((mask >> b) & 1) && !((mask >> a) & 1)) { ll old = mask; ll current = mask; current |= (1ll << a); current &= (1ll << N) - 1 - (1ll << b); int res1 = solve_mask(orders, old, cur - 1); int res2 = solve_mask(orders, current, cur - 1); int actual = (res1 + res2) & 1; visited_masks[cur + 1][mask] = actual; return actual; } else { return solve_mask(orders, mask, cur - 1); } } void solve() { cin >> N >> M; vector<pii> orders(M); REP(i, M) { cin >> orders[i].fi >> orders[i].se; orders[i].fi--; orders[i].se--; } for (int k = 2; k < N; k++) { // Ile ma byc zapalonych ll initial = 0; for (int j = 0; j < k; j++) { initial += (1ll << j); } for (int j = 0; j <= N - k; j++) { // Kiedy sie zaczyna good[k] = (solve_mask(orders, initial, M - 1) + good[k]) & 1; initial -= (1ll << j); if (j < N - k) initial += (1ll << (j + k)); } REP(i, M) visited_masks[i].clear(); } good[1] = N & 1; good[N] = 1; for (int i = 1; i <= N; i++) { cout << (good[i] & 1) << ' '; } cout << '\n'; } signed main() { cin.tie(0)->sync_with_stdio(0); int t = 1; // cin >> t; while(t--) { solve(); } } |