// https://sio2.mimuw.edu.pl/c/pa-2024-1/p/des/
#include <bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rep(i, a) for (int i = 0; i < (a); i++)
#define rep1(i, a) for (int i = 1; i <= (a); i++)
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
vector<pi> tab;
int res[40];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int n, m;
cin >> n >> m;
rep(i, m) {
int a, b;
cin >> a >> b;
tab.pb({a, b});
}
int mask = 1;
for (unsigned int j = 1; j < (1 << m); j++) {
unsigned int mask = j;
// cerr << '\n' << 'j' << j << '\n';
rep1(i, 4) cerr << ((mask & (1 << (i - 1))) > 0);
// cerr << '\n';
rep(i, m) {
auto [a, b] = tab[i];
// cerr << a << ',' << b << ' ' << (mask & (1 << (a - 1))) << ' '
// cerr<< (mask & (1 << (b - 1))) << '\n';
if (mask & (1 << (a - 1)) && !(mask & (1 << (b - 1)))) {
mask |= (1 << (b - 1));
mask &= ~(1 << (a - 1));
}
rep1(i, 4) cerr << ((mask & (1 << (i - 1))) > 0);
// cerr << '\n';
}
int lo = -1, ma = -1;
for (int i = 0; i < 30; i++) {
if (mask & (1 << i) && lo == -1)
lo = i;
if (!(mask & (1 << i)) && lo != -1) {
ma = i;
break;
}
}
if (__builtin_popcount(mask) == ma - lo)
res[__builtin_popcount(mask)]++;
// cerr << j << ':' << __builtin_popcount(mask) << ' ' << lo << ' ' <<
// ma << '\n';
}
rep1(i, n) cout << res[i] % 2 << ' ';
}
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 | // https://sio2.mimuw.edu.pl/c/pa-2024-1/p/des/ #include <bits/stdc++.h> #define st first #define nd second #define pb push_back #define all(x) x.begin(), x.end() #define rep(i, a) for (int i = 0; i < (a); i++) #define rep1(i, a) for (int i = 1; i <= (a); i++) using namespace std; typedef long long ll; typedef pair<int, int> pi; vector<pi> tab; int res[40]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, m; cin >> n >> m; rep(i, m) { int a, b; cin >> a >> b; tab.pb({a, b}); } int mask = 1; for (unsigned int j = 1; j < (1 << m); j++) { unsigned int mask = j; // cerr << '\n' << 'j' << j << '\n'; rep1(i, 4) cerr << ((mask & (1 << (i - 1))) > 0); // cerr << '\n'; rep(i, m) { auto [a, b] = tab[i]; // cerr << a << ',' << b << ' ' << (mask & (1 << (a - 1))) << ' ' // cerr<< (mask & (1 << (b - 1))) << '\n'; if (mask & (1 << (a - 1)) && !(mask & (1 << (b - 1)))) { mask |= (1 << (b - 1)); mask &= ~(1 << (a - 1)); } rep1(i, 4) cerr << ((mask & (1 << (i - 1))) > 0); // cerr << '\n'; } int lo = -1, ma = -1; for (int i = 0; i < 30; i++) { if (mask & (1 << i) && lo == -1) lo = i; if (!(mask & (1 << i)) && lo != -1) { ma = i; break; } } if (__builtin_popcount(mask) == ma - lo) res[__builtin_popcount(mask)]++; // cerr << j << ':' << __builtin_popcount(mask) << ' ' << lo << ' ' << // ma << '\n'; } rep1(i, n) cout << res[i] % 2 << ' '; } |
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