#include <bits/stdc++.h>
#define fi first
#define sc second
#define pb push_back
#define rep(i,p,k) for(int i=(p);i<(k);++i)
#define forn(i,p,k) for(int i=(p);i<=(k);++i)
#define forr(i,k,p) for(int i=(k)-1;i>=(p);--i)
#define each(a,b) for(auto&a:b)
#define all(v) begin(v), end(v)
#define RET(smth) return void(cout<<(smth)<<'\n');
#define sz(v) (int)v.size()
using namespace std;
using pii = pair<int,int>;
using ll = long long;
using Vi = vector<int>;
#ifdef DEBUG
#include "debug.h"
#else
#define debug(...) ;
#endif
int main() {
#ifndef DEBUG
cin.tie(0) -> sync_with_stdio(0);
#endif
constexpr int C = 35;
int n,m; cin >> n >> m;
vector<pair<int,int>> Q(m);
for(auto &[a,b] : Q) cin >> a >> b, --a, --b;
array<bool, C> state{};
string res(n, '0');
rep(msk,1,(1<<n)) {
rep(i,0,n) state[i] = (msk & (1<<i));
for(auto [a,b] : Q) if(state[a]^state[b]) state[b]=1, state[a]=0;
int mm,MM;
rep(i,0,n) if(state[i]) MM = i;
forr(i,n,0) if(state[i]) mm = i;
int k = __builtin_popcount(msk)-1;
if(MM-mm==k) res[k]^=1;
}
rep(i,0,n) cout << res[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 | #include <bits/stdc++.h> #define fi first #define sc second #define pb push_back #define rep(i,p,k) for(int i=(p);i<(k);++i) #define forn(i,p,k) for(int i=(p);i<=(k);++i) #define forr(i,k,p) for(int i=(k)-1;i>=(p);--i) #define each(a,b) for(auto&a:b) #define all(v) begin(v), end(v) #define RET(smth) return void(cout<<(smth)<<'\n'); #define sz(v) (int)v.size() using namespace std; using pii = pair<int,int>; using ll = long long; using Vi = vector<int>; #ifdef DEBUG #include "debug.h" #else #define debug(...) ; #endif int main() { #ifndef DEBUG cin.tie(0) -> sync_with_stdio(0); #endif constexpr int C = 35; int n,m; cin >> n >> m; vector<pair<int,int>> Q(m); for(auto &[a,b] : Q) cin >> a >> b, --a, --b; array<bool, C> state{}; string res(n, '0'); rep(msk,1,(1<<n)) { rep(i,0,n) state[i] = (msk & (1<<i)); for(auto [a,b] : Q) if(state[a]^state[b]) state[b]=1, state[a]=0; int mm,MM; rep(i,0,n) if(state[i]) MM = i; forr(i,n,0) if(state[i]) mm = i; int k = __builtin_popcount(msk)-1; if(MM-mm==k) res[k]^=1; } rep(i,0,n) cout << res[i] << ' '; cout << '\n'; return 0; } |
English