#include<cstdio>
#include<bit>
#include<bits/stdc++.h>
#include<vector>
using namespace std;
#define N 40
//int result[N];
bool result[N];
unsigned long long jedynki[N];
int main() {
int n, m;
vector<pair<int, int>> v;
scanf("%d %d", &n, &m);
jedynki[n] = 1;
for (int i = n - 1; i >= 0; i--) {
jedynki[i] = jedynki[i + 1] << 1;
}
for (int i = 0; i < m; i++) {
int a, b;
scanf("%d %d", &a, &b);
v.push_back(make_pair(a, b));
}
unsigned long long last = ((unsigned long long) 1) << n;
for (unsigned long long i = 1; i < last; i++) {
int b = __builtin_popcountll(i);
unsigned long long j = i;
for (auto p : v) {
if (
(j & jedynki[p.first])
&& !(j & jedynki[p.second])
) {
j = j ^ jedynki[p.first] ^ jedynki[p.second];
}
}
int bit1 = __builtin_ffsll(j);
int bit2 = log2(j) + 1;
//printf("%lld %d %d\n", j, bit1, bit2);
if (bit2 - bit1 + 1 == b) {
result[b] = !result[b];
//result[b]++;
}
}
for (int i = 1; i <= n; i++) {
printf("%d ", result[i] ? 1 : 0);
//printf("%d ", result[i] );
}
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 56 57 58 59 60 61 62 63 64 65 66 67 | #include<cstdio> #include<bit> #include<bits/stdc++.h> #include<vector> using namespace std; #define N 40 //int result[N]; bool result[N]; unsigned long long jedynki[N]; int main() { int n, m; vector<pair<int, int>> v; scanf("%d %d", &n, &m); jedynki[n] = 1; for (int i = n - 1; i >= 0; i--) { jedynki[i] = jedynki[i + 1] << 1; } for (int i = 0; i < m; i++) { int a, b; scanf("%d %d", &a, &b); v.push_back(make_pair(a, b)); } unsigned long long last = ((unsigned long long) 1) << n; for (unsigned long long i = 1; i < last; i++) { int b = __builtin_popcountll(i); unsigned long long j = i; for (auto p : v) { if ( (j & jedynki[p.first]) && !(j & jedynki[p.second]) ) { j = j ^ jedynki[p.first] ^ jedynki[p.second]; } } int bit1 = __builtin_ffsll(j); int bit2 = log2(j) + 1; //printf("%lld %d %d\n", j, bit1, bit2); if (bit2 - bit1 + 1 == b) { result[b] = !result[b]; //result[b]++; } } for (int i = 1; i <= n; i++) { printf("%d ", result[i] ? 1 : 0); //printf("%d ", result[i] ); } return 0; } |
English