#include <vector>
#include <cassert>
#include <algorithm>
#include <cstdio>
#include <iostream>

#include<cassert>
#include<vector>

namespace exodus{
	typedef long long ll;
	typedef unsigned long long ull;
	typedef unsigned int uint;
	template<typename T,typename U>
	T qpow(T x,U n,int m){
		if(m==1)return 0;
		uint mod=uint(m);
		ull res=1,y=x%mod;
		for(;n;n>>=1,y=(ll)y*y%mod)
			if(n&1)res=(ll)res*y%mod;
		return res;
	}
	template<uint m,typename T,typename U>
	T qpow(T x,U n){
		if(m==1)return 0;
		uint mod=uint(m);
		ull res=1,y=x%mod;
		for(;n;n>>=1,y=(ll)y*y%mod)
			if(n&1)res=(ll)res*y%mod;
		return res;
	}
	template<typename T>
	T exgcd(T a,T b,T &x,T &y){
		if(!b)return x=1,y=0,a;
		T d=exgcd(b,a%b,y,x);y-=a/b*x;
		return d;
	}
	bool is_prime(int n){
		if(n<=1)return false;
		if(n==2||n==7||n==61)return true;
		if(n%2==0)return false;
		ll d=n-1;
		while(d%2==0)d/=2;
		constexpr ll bases[3]={2,7,61};
		for(ll a:bases){
			ll t=d,y=qpow(a,t,n);
			while(t!=n-1&&y!=1&&y!=n-1)
				y=y*y%n,t<<=1;
			if(y!=n-1&&t%2==0)
				return false;
		}
		return true;
	}
	template<typename T>
	std::vector<std::pair<T,int>>factorize(T n){
		std::vector<std::pair<T,int>> v;
		std::vector<std::pair<T,int>> check=[&](int i){
			if(n%i==0){
				v.emplace_back(i,0);
				int cnt=0;
				for(;n%i==0;++cnt,n/=i);
			}
		};
		check(2);
		check(3);
		for(int i=5;T(i)*i<=n;i+=6){
			check(i);
			check(i+2);
		}
		if(n>1){
			v.emplace_back(n,1);
		}
		return v;
	}
	template<uint mod>
	struct factorization_list{
	public:
		factorization_list():fac(1,1){}
		void expand(int p){
			int pre=fac.size();
			if(pre>p)return;
			fac.resize(p+1);
			for(int i=pre;i<=p;i++){
				fac[i]=(ll)fac[i-1]*i%mod;
			}
		}
		int operator [](int x){
			assert(x>=0);
			expand(x);
			return fac[x];
		}
	private:
		std::vector<int>fac;
	};
	template<uint mod>
	struct inverse_list{
	public:
		inverse_list():inv(2,1){}
		void expand(int p){
			int pre=inv.size();
			if(pre>p)return;
			inv.resize(p+1);
			for(int i=pre;i<=p;i++)
				inv[i]=(ll)(mod-mod/i)*inv[mod%i]%mod;
		}
		int operator [](int x){
			assert(x>=0);
			expand(x);
			return inv[x];
		}
	private:
		std::vector<int>inv;
	};
	template<uint mod>
	struct inverse_factorization_list{
	public:
		inverse_factorization_list():inv(),ifac(2,1){}
		void expand(int p){
			int pre=ifac.size();
			if(pre>p)return;
			inv.expand(p);
			ifac.resize(p+1);
			for(int i=pre;i<=p;i++){
				ifac[i]=(ll)ifac[i-1]*inv[i]%mod;
			}
		}
		int operator [](int x){
			assert(x>=0);
			expand(x);
			return ifac[x];
		}
	private:
		inverse_list<mod>inv;
		std::vector<int>ifac;
	};
	template<uint mod>
	struct binom_list{
	public:
		void expand(int x){
			fac.expand(x);
			ifac.expand(x);
		}
		int operator()(int x,int y){
			if(x<0||y<0||x<y)return 0;
			expand(x);
			return (ll)fac[x]*ifac[y]%mod*ifac[x-y]%mod;
		}
	private:
		factorization_list<mod>fac;
		inverse_factorization_list<mod>ifac;
	};
}


namespace exodus{
    namespace internal{
        static constexpr int unroll_step=8;
        template<int R, int L = 0, int M = (L + R) / 2, class F>__attribute__((always_inline))
        inline void unroll(int i, F lambda) { if (R - L == 1)lambda(i + L); else unroll<M, L>(i, lambda), unroll<R, M>(i, lambda); }
    }
}


namespace exodus{
	typedef unsigned long long ull;
	template<typename T>
	struct base_matrix{
	public:
		base_matrix(){}
		explicit base_matrix(int _deg):deg(_deg){mat.resize(deg,std::vector<T>(deg,T()));}
		std::vector<T> &operator [](int p){return mat[p];}
		const std::vector<T> &operator [](int p)const{return mat[p];}
		int get_deg()const{return deg;}
		void set_deg(int _deg){
			deg=_deg;
			mat.resize(deg);
			for(auto &cur:mat)
				cur.resize(deg),std::fill(cur.begin(),cur.end(),T());
		}
		bool operator ==(const base_matrix &rhs){
			if(get_deg()!=rhs.get_deg())
				return false;
			for(int i=0;i<get_deg();i++)
				for(int j=0;j<get_deg();j++)
					if((*this)[i][j]!=rhs[i][j])
						return false;
			return true;
		}
		bool operator !=(const base_matrix &rhs){
			return !((*this)==rhs);
		}
	private:
		int deg;
		std::vector<std::vector<T>>mat;
	};
	template<unsigned int mod>
	struct mod_matrix:public base_matrix<int>{
	public:
		mod_matrix(){}
		explicit mod_matrix(int _deg):base_matrix<int>(_deg){}
		friend mod_matrix operator +(const mod_matrix &lhs,const mod_matrix &rhs){
			assert(lhs.get_deg()==rhs.get_deg());
			int deg=lhs.get_deg();
			mod_matrix res(deg);
			auto add=[&](int &x,int y){x+=y-mod,x+=x>>31&mod;};
			for(int i=0;i<deg;i++){
				int j=0;
				for(;j+internal::unroll_step-1<deg;j+=internal::unroll_step)
					internal::unroll<internal::unroll_step>(j,[&](int cj){add(res[i][cj]=lhs[i][cj],rhs[i][cj]);});
				while(j<deg)
					add(res[i][j]=lhs[i][j],rhs[i][j]),++j;
			}
			return res;
		}
		friend mod_matrix operator *(const mod_matrix &lhs,const mod_matrix &rhs){
			const ull lim=16e18;
			assert(lhs.get_deg()==rhs.get_deg());
			int deg=lhs.get_deg();
			base_matrix<ull>tmp(deg);
			for(int i=0;i<deg;i++)
				for(int k=0;k<deg;k++){
					int j=0;
					for(;j+internal::unroll_step-1<deg;j+=internal::unroll_step)
						internal::unroll<internal::unroll_step>(j,[&](int cj){tmp[i][cj]+=(ull)lhs[i][k]*rhs[k][cj];if(tmp[i][cj]>lim)tmp[i][cj]%=mod;});
					while(j<deg){
						tmp[i][j]+=(ull)lhs[i][k]*rhs[k][j];
						if(tmp[i][j]>lim)tmp[i][j]%=mod;
						++j;
					}
				}
			mod_matrix res(deg);
			for(int i=0;i<deg;i++)
				for(int j=0;j<deg;j++)
					res[i][j]=tmp[i][j]%mod;
			return res;
		}
		friend mod_matrix &operator +=(mod_matrix &lhs,const mod_matrix &rhs){
			lhs=lhs+rhs;
			return lhs;
		}
		friend mod_matrix &operator *=(mod_matrix &lhs,const mod_matrix &rhs){
			lhs=lhs*rhs;
			return lhs;
		}
		int det(){
			int res=1;
			int cnt=0;
			int curdeg=this->get_deg();
			std::vector<std::vector<int>>_mat(curdeg,std::vector<int>(curdeg));
			for(int i=0;i<curdeg;i++)
				for(int j=0;j<curdeg;j++)
					_mat[i][j]=(*this)[i][j];
			for(int i=0;i<curdeg;i++){
				if(_mat[i][i]==0){
					for(int j=i+1;j<curdeg;j++){
						if(_mat[j][i]!=0)
							swap(_mat[i],_mat[j]);
						cnt++;
					}
				}
				for(int j=i+1;j<curdeg;j++){
					int tmp=(mod-(ull)_mat[j][i]*qpow<mod>(_mat[i][i],mod-2)%mod)%mod;
					for(int k=0;k<curdeg;k++)
						_mat[j][k]=((ull)_mat[i][k]*tmp+_mat[j][k])%mod;
				}
			}
			for(int i=0;i<curdeg;i++)
				res=(ull)res*_mat[i][i]%mod;
			if(cnt&1)
				res=(mod-res)%mod;
			return res;
		}
		friend std::ostream &operator <<(std::ostream &os,const mod_matrix &mat){
			int curdeg=mat->get_deg();
			for(int i=0;i<curdeg;i++){
				for(int j=0;j<curdeg;j++)
					os<<mat[i][j]<<' ';
				os<<'\n';
			}
			return os;
		}
	};
	template<typename T>
	struct base_vector{
	public:
		base_vector(){}
		explicit base_vector(int _deg,bool _tp):deg(_deg),tp(_tp){vec.resize(deg,T());}
		T &operator [](int p){return vec[p];}
		const T &operator [](int p)const{return vec[p];}
		int get_deg()const{return deg;}
		bool get_tp()const{return tp;}
		void set_deg(int _deg){
			deg=_deg;
			vec.resize(deg);
			fill(vec.begin(),vec.end(),T());
		}
	private:
		int deg;
		bool tp;
		std::vector<T>vec;
	};
	template<unsigned int mod>
	struct mod_vector:public base_vector<int>{
	public:
		mod_vector(){}
		explicit mod_vector(int _deg,bool _tp):base_vector<int>(_deg,_tp){}
		friend mod_vector operator +(const mod_vector &lhs,const mod_vector &rhs){
			assert(lhs.get_deg()==rhs.get_deg()&&lhs.get_tp()==rhs.get_tp());
			int deg=lhs.get_deg(),tp=lhs.get_tp();
			mod_vector res(deg,tp);
			auto add=[&](int &x,int y){x+=y-mod,x+=x>>31&mod;};
			int i=0;
			for(;i+internal::unroll_step-1<deg;i+=internal::unroll_step)
				internal::unroll<internal::unroll_step>(i,[&](int ci){add(res[ci]=lhs[ci],rhs[ci]);});
			while(i<deg)
				add(res[i]=lhs[i],rhs[i]),++i;
			return res;
		}
		friend mod_vector operator *(const mod_vector &lhs,const mod_matrix<mod> &rhs){
			if(lhs.get_tp()==0){
				const ull lim=16e18;
				assert(lhs.get_deg()==rhs.get_deg());
				int deg=lhs.get_deg();
				bool tp=lhs.get_tp();
				base_vector<ull>tmp(deg,tp);
				for(int k=0;k<deg;k++){
					int j=0;
					for(;j+internal::unroll_step-1<deg;j+=internal::unroll_step)
						internal::unroll<internal::unroll_step>(j,[&](int cj){tmp[cj]+=(ull)lhs[k]*rhs[k][cj];if(tmp[cj]>lim)tmp[cj]%=mod;});
					while(j<deg){
						tmp[j]+=(ull)lhs[k]*rhs[k][j];
						if(tmp[j]>lim)tmp[j]%=mod;
						++j;
					}
				}
				mod_vector res(deg,tp);
				for(int j=0;j<deg;j++)
					res[j]=tmp[j]%mod;
				return res;
			}else if(lhs.get_tp()==1){
				const ull lim=16e18;
				assert(lhs.get_deg()==rhs.get_deg());
				int deg=lhs.get_deg();
				bool tp=lhs.get_tp();
				base_vector<ull>tmp(deg,tp);
				for(int k=0;k<deg;k++){
					int j=0;
					for(;j+internal::unroll_step-1<deg;j+=internal::unroll_step)
						internal::unroll<internal::unroll_step>(j,[&](int cj){tmp[cj]+=(ull)lhs[k]*rhs[cj][k];if(tmp[cj]>lim)tmp[cj]%=mod;});
					while(j<deg){
						tmp[j]+=(ull)lhs[k]*rhs[j][k];
						if(tmp[j]>lim)tmp[j]%=mod;
						++j;
					}
				}
				mod_vector res(deg,tp);
				for(int j=0;j<deg;j++)
					res[j]=tmp[j]%mod;
				return res;
			}
		}
		friend mod_vector &operator +=(mod_vector &lhs,const mod_vector &rhs){
			lhs=lhs+rhs;
			return lhs;
		}
		friend mod_vector &operator *=(mod_vector &lhs,const mod_matrix<mod> &rhs){
			lhs=lhs*rhs;
			return lhs;
		}
		friend std::ostream &operator <<(std::ostream &os,const mod_vector &vec){
			int curdeg=vec.get_deg();
			for(int i=0;i<curdeg;i++)
				os<<vec[i]<<' ';
			os<<'\n';
			return os;
		}
	};
}


#include <bits/stdc++.h>
using namespace std;
int main(){
	cin.tie(nullptr)->sync_with_stdio(false);
	int n;
	cin>>n;
	exodus::mod_matrix<998244353> mat(n);
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
			cin>>mat[i][j];
	auto res=mat.det();
	assert(res!=0);
	cout<<res<<'\n';
	return 0;
}