#include <bits/stdc++.h>
using namespace std;
#define rep(a, b) for (int a = 0; a < (b); a++)
#define rep1(a, b) for (int a = 1; a <= (b); a++)
#define all(x) (x).begin(), (x).end()
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int MOD = 1e9 + 7;
#define LOCAL false
const int MAX_N = 30;
const int MAX_M = 1007;
int n, m;
int ans[MAX_N];
pair<int, int> steps[MAX_M];
void process(int msk) {
int o = msk;
int bitcnt = 0;
rep(bi, 30) bitcnt += !!(msk&(1<<bi));
rep(i, m) {
auto [b1, b2] = steps[i];
b1--; b2--;
if (msk&(1<<b1) && !(msk&(1<<b2))) {
msk -= (1<<b1);
msk += (1<<b2);
}
}
while (!(msk&1)) msk >>= 1;
if (!(msk&(msk+1))) ans[bitcnt] ^= 1;
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
if (LOCAL) {
ignore=freopen("io/in", "r", stdin);
ignore=freopen("io/out", "w", stdout);
}
cin >> n >> m;
rep(i, m) cin >> steps[i].first >> steps[i].second;
rep1(msk, (1<<n)-1) process(msk);
rep1(i, n) cout << ans[i] << ' ';
cout << '\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 | #include <bits/stdc++.h> using namespace std; #define rep(a, b) for (int a = 0; a < (b); a++) #define rep1(a, b) for (int a = 1; a <= (b); a++) #define all(x) (x).begin(), (x).end() using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; const int MOD = 1e9 + 7; #define LOCAL false const int MAX_N = 30; const int MAX_M = 1007; int n, m; int ans[MAX_N]; pair<int, int> steps[MAX_M]; void process(int msk) { int o = msk; int bitcnt = 0; rep(bi, 30) bitcnt += !!(msk&(1<<bi)); rep(i, m) { auto [b1, b2] = steps[i]; b1--; b2--; if (msk&(1<<b1) && !(msk&(1<<b2))) { msk -= (1<<b1); msk += (1<<b2); } } while (!(msk&1)) msk >>= 1; if (!(msk&(msk+1))) ans[bitcnt] ^= 1; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); if (LOCAL) { ignore=freopen("io/in", "r", stdin); ignore=freopen("io/out", "w", stdout); } cin >> n >> m; rep(i, m) cin >> steps[i].first >> steps[i].second; rep1(msk, (1<<n)-1) process(msk); rep1(i, n) cout << ans[i] << ' '; cout << '\n'; return 0; } |
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