#include using namespace std; #define rep(i,n) for(ll i=0;i=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define ins insert #define pqueue(x) priority_queue,greater> #define all(x) (x).begin(),(x).end() #define CST(x) cout<; using vvl=vector>; using pl=pair; using vpl=vector; using vvpl=vector; const ll MOD=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[8]={1,0,-1,0,1,1,-1,-1}; const ll dx[8]={0,1,0,-1,1,-1,1,-1}; template inline bool chmax(T &a, T b) { return ((a < b) ? (a = b, true) : (false)); } template inline bool chmin(T &a, T b) { return ((a > b) ? (a = b, true) : (false)); } int main(){ ll n;cin >> n; vvl v(n,vl(n)); rep(i,n)rep(j,n)cin >> v[i][j]; vvl dp(1<=0;cit--){ cit&=bit; if(__builtin_popcount(cit)*2!=ssp)continue; rep(i,n){ if(dp[cit][i]==0)continue; rep(j,n){ if(v[i][j])dp[bit][i]+=dp[cit][i]*dp[bit^cit][j]; else dp[bit][j]+=dp[cit][i]*dp[bit^cit][j]; } } } } for(auto p:dp.back())cout << p << endl; /*rep(bit,1<