#include <cstdio>
#include <algorithm>
using namespace std;
pair<int, int> e[1001];
int ret[36];
int main()
{
int n, m;
scanf("%d %d", &n, &m);
for (int i = 0; i < m; i++)
{
scanf("%d %d", &e[i].first, &e[i].second);
}
for (int i = 1; i < (1 << n); i++)
{
int bits = __builtin_popcount(i);
const int cnt = bits;
int t = i;
for (int j = 0; j < m; j++)
{
int a = n - e[j].first;
int b = n - e[j].second;
if (((1 << a) & t) > 0 && ((1 << b) & t) == 0)
{
t -= (1 << a);
t += (1 << b);
}
}
int pos = __builtin_ctz(t);
t >>= pos;
t++;
if (__builtin_popcount(t) == 1)
{
ret[cnt]++;
}
}
for (int i = 1; i <= n; i++)
{
printf("%d ", ret[i] % 2);
}
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 53 54 55 | #include <cstdio> #include <algorithm> using namespace std; pair<int, int> e[1001]; int ret[36]; int main() { int n, m; scanf("%d %d", &n, &m); for (int i = 0; i < m; i++) { scanf("%d %d", &e[i].first, &e[i].second); } for (int i = 1; i < (1 << n); i++) { int bits = __builtin_popcount(i); const int cnt = bits; int t = i; for (int j = 0; j < m; j++) { int a = n - e[j].first; int b = n - e[j].second; if (((1 << a) & t) > 0 && ((1 << b) & t) == 0) { t -= (1 << a); t += (1 << b); } } int pos = __builtin_ctz(t); t >>= pos; t++; if (__builtin_popcount(t) == 1) { ret[cnt]++; } } for (int i = 1; i <= n; i++) { printf("%d ", ret[i] % 2); } return 0; } |
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