#include #pragma GCC optimize("Ofast") #define _GLIBCXX_DEBUG using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; ll ILL=1167167167167167167; const int INF=2100000000; const ll mod=1e9+7; #define rep(i,a) for (ll i=0;i using _pq = priority_queue, greater>; template ll LB(vector &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template ll UB(vector &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}else return 0;} template bool chmax(T &a,const T &b){if(a void So(vector &v) {sort(v.begin(),v.end());} template void Sore(vector &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} void yneos(bool a){if(a) cout<<"Yes\n"; else cout<<"No\n";} template void vec_out(vector &p){for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<0){ a*=2; if(H%a!=0){ H-=a/2; c*=b; c%=z; } b*=b; b%=z; } //ここまで return c; } void solve(); // oddloop int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t=1; //cin>>t; rep(i,t) solve(); } void solve(){ int H,W; cin>>H>>W; vector> A(H,vector(W)); vector B(H),C(W); vector p(H,1),q(W,1); ll ans=1,S=0; rep(i,H) rep(j,W){ cin>>A[i][j]; if(A[i][j]==0){ B[i]++; C[j]++; S++; } else{ p[i]=(p[i]*A[i][j])%mod; q[j]=(q[j]*A[i][j])%mod; ans=(ans*A[i][j])%mod; } } int Q; cin>>Q; rep(i,Q){ int r,c; cin>>r>>c; r--,c--; ll tmp=(p[r]*q[c])%mod; ll x=(ans*A[r][c])%mod; x=(x*jyo(tmp,mod-2,mod))%mod; ll J=B[r]+C[c]; if(A[r][c]==0) J--; if(J==S){ cout<