#include <bits/stdc++.h> using namespace std; template<typename T> using pair2 = pair<T, T>; #define int long long #define pii pair<int,int> #define pb push_back #define pf push_front #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second #define endl "\n" #define in(x) cin >> x #define ini(x) int x; in(x) #define instr(x) string x; in(x) #define inf 1e18 //https://codeforces.com/blog/entry/62393 struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; void bruteforce(vector<pii> &orders, vector<int> &ans, vector<bool> &soldiers, int n) { if (soldiers.size() == n) { int count = 0; for (bool b : soldiers) count += b; for (pii &o : orders) { if (soldiers[o.first] && !soldiers[o.second]) { soldiers[o.first] = 0; soldiers[o.second] = 1; } } bool prev = soldiers[0]; bool found_segment = false; for (int i = 1; i < n; i++) { if (found_segment && soldiers[i]) { return; } if (prev && !soldiers[i]) { found_segment = true; } prev = soldiers[i]; } ans[count] ^= 1; return; } vector<bool> cp = soldiers; cp.pb(0); bruteforce(orders,ans,cp,n); soldiers.pb(1); bruteforce(orders,ans,soldiers,n); } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); ini(n); ini(m); vector<pii> orders; for (int i = 0; i < m; i++) { ini(a); ini(b); a--; b--; orders.pb({a,b}); } vector<int> ans(n+1); vector<bool> soldiers; bruteforce(orders,ans,soldiers,n); for (int i = 1; i <= n; i++) { cout << ans[i] << " "; } cout << endl; }
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 | #include <bits/stdc++.h> using namespace std; template<typename T> using pair2 = pair<T, T>; #define int long long #define pii pair<int,int> #define pb push_back #define pf push_front #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second #define endl "\n" #define in(x) cin >> x #define ini(x) int x; in(x) #define instr(x) string x; in(x) #define inf 1e18 //https://codeforces.com/blog/entry/62393 struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; void bruteforce(vector<pii> &orders, vector<int> &ans, vector<bool> &soldiers, int n) { if (soldiers.size() == n) { int count = 0; for (bool b : soldiers) count += b; for (pii &o : orders) { if (soldiers[o.first] && !soldiers[o.second]) { soldiers[o.first] = 0; soldiers[o.second] = 1; } } bool prev = soldiers[0]; bool found_segment = false; for (int i = 1; i < n; i++) { if (found_segment && soldiers[i]) { return; } if (prev && !soldiers[i]) { found_segment = true; } prev = soldiers[i]; } ans[count] ^= 1; return; } vector<bool> cp = soldiers; cp.pb(0); bruteforce(orders,ans,cp,n); soldiers.pb(1); bruteforce(orders,ans,soldiers,n); } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); ini(n); ini(m); vector<pii> orders; for (int i = 0; i < m; i++) { ini(a); ini(b); a--; b--; orders.pb({a,b}); } vector<int> ans(n+1); vector<bool> soldiers; bruteforce(orders,ans,soldiers,n); for (int i = 1; i <= n; i++) { cout << ans[i] << " "; } cout << endl; } |