// clang-format off
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("popcnt")
#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
using namespace std;
template<class Fun>
class y_combinator_result {
Fun fun_;
public:
template<class T> explicit y_combinator_result(T &&fun): fun_(forward<T>(fun)) {}
template<class ...Args> decltype(auto) operator()(Args &&...args) { return fun_(ref(*this), forward<Args>(args)...); }
};
template<class Fun> decltype(auto) y_combinator(Fun &&fun) { return y_combinator_result<decay_t<Fun>>(forward<Fun>(fun)); }
// using namespace __gnu_pbds;
// template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef XOX
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; }
sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; }
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
struct { template <class T> operator T() { T x; cin >> x; return x; } } in;
#define endl '\n'
#define pb emplace_back
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
using i64 = long long;
template <class T> using vt = vector<T>;
template <class T, size_t n> using ar = array<T, n>;
namespace R = ranges;
auto ra(auto x, auto y) { return R::iota_view(x, y); }
// #define int long long
// clang-format on
void solve() {
int n = in, m = in;
vt<ar<int, 2>> e(m);
for (auto &[x, y] : e) {
x = in, y = in;
x--, y--;
}
int ans = 0;
for (int mask = 1; mask < (1 << n); mask++) {
int act = mask;
for (auto &[x, y] : e) {
if (((act >> x) & 1) && !((act >> y) & 1)) act ^= (1 << y) ^ (1 << x);
}
int first_set = __builtin_ctz(act);
int last_set = 31 - __builtin_clz(act);
int setb = __builtin_popcount(mask) - 1;
if (last_set - first_set == setb) ans ^= (1 << setb);
}
for (int i = 0; i < n; i++) {
cout << ((ans >> i) & 1) << " ";
}
cout << endl;
}
int32_t main() {
cin.tie(0)->sync_with_stdio(0);
int t = 1;
// int t = in;
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 | // clang-format off #pragma GCC optimize("O3,unroll-loops") #pragma GCC target("popcnt") #include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> using namespace std; template<class Fun> class y_combinator_result { Fun fun_; public: template<class T> explicit y_combinator_result(T &&fun): fun_(forward<T>(fun)) {} template<class ...Args> decltype(auto) operator()(Args &&...args) { return fun_(ref(*this), forward<Args>(args)...); } }; template<class Fun> decltype(auto) y_combinator(Fun &&fun) { return y_combinator_result<decay_t<Fun>>(forward<Fun>(fun)); } // using namespace __gnu_pbds; // template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define sim template < class c #define ris return * this #define dor > debug & operator << #define eni(x) sim > typename enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { #ifdef XOX ~debug() { cerr << endl; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } #else sim dor(const c&) { ris; } #endif }; #define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " struct { template <class T> operator T() { T x; cin >> x; return x; } } in; #define endl '\n' #define pb emplace_back #define all(x) begin(x), end(x) #define sz(x) (int)(x).size() using i64 = long long; template <class T> using vt = vector<T>; template <class T, size_t n> using ar = array<T, n>; namespace R = ranges; auto ra(auto x, auto y) { return R::iota_view(x, y); } // #define int long long // clang-format on void solve() { int n = in, m = in; vt<ar<int, 2>> e(m); for (auto &[x, y] : e) { x = in, y = in; x--, y--; } int ans = 0; for (int mask = 1; mask < (1 << n); mask++) { int act = mask; for (auto &[x, y] : e) { if (((act >> x) & 1) && !((act >> y) & 1)) act ^= (1 << y) ^ (1 << x); } int first_set = __builtin_ctz(act); int last_set = 31 - __builtin_clz(act); int setb = __builtin_popcount(mask) - 1; if (last_set - first_set == setb) ans ^= (1 << setb); } for (int i = 0; i < n; i++) { cout << ((ans >> i) & 1) << " "; } cout << endl; } int32_t main() { cin.tie(0)->sync_with_stdio(0); int t = 1; // int t = in; while (t--) { solve(); } } |
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