#include using namespace std; #define REP(i,a,n) for(int i=(a); i<(int)(n); i++) #define rep(i,n) REP(i,0,n) #define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it) #define ALLOF(c) (c).begin(), (c).end() typedef long long ll; typedef unsigned long long ull; static const long long mod = 1000000007; struct mint { long long x; mint(ll x = 0):x(x%mod) {} mint& operator+=(const mint a) { (x += a.x) %= mod; return *this; } mint& operator-=(const mint a) { (x += mod-a.x) %= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint a) const { mint ret(*this); return ret += a; } mint operator-(const mint a) const { mint ret(*this); return ret -= a; } mint operator*(const mint a) const { mint ret(*this); return ret *= a; } mint pow(ll t) const { if(t==0) return mint(1); mint a = pow(t>>1); a *= a; if(t&1) a *= *this; return a; } //for prime mod mint inv() const { return pow(mod-2); } mint& operator/=(const mint a) { return (*this) *= a.inv(); } mint operator/(const mint a) const { mint ret(*this); return ret /= a; } }; ostream &operator<<(ostream& os, const mint& x) { os << x.x; return os; } class modutils { vector fact, invfact; public: modutils(int n = 2000005):fact(n+1),invfact(n+1) { fact[0] = 1; for(int i=1; i<=n; i++) fact[i] = fact[i-1] * i; invfact[n] = fact[n].inv(); for(int i=n; i>=1; i--) invfact[i-1] = invfact[i] * i; } mint pow(mint x, ll n) { return x.pow(n); } mint comb(ll n, ll k) { if(n<0 || k<0 || n> H >> W; vector> v(H, vector(W)); mint all(1); rep(i,H){ rep(j,W){ cin >> v[i][j]; all *= v[i][j]; } } vector vh(H), vw(W); int zh = 0, zw = 0; rep(i,H){ mint tmp(1); bool z = false; rep(j,W){ tmp *= v[i][j]; if(v[i][j] == 0) z = true; } vh[i] = tmp; if(z) zh++; } rep(i,W){ mint tmp(1); bool z = false; rep(j,H){ tmp *= v[j][i]; if(v[i][j] == 0) z = true; } vw[i] = tmp; if(z) zw++; } if(zh >= 2 || zw >= 2){ int Q; cin >> Q; rep(i,Q){ int r, c; cin >> r >> c; cout << 0 << endl; } } else if(zh == 0){ int Q; cin >> Q; rep(i,Q){ int r, c; cin >> r >> c; r--; c--; mint ret = all; ret *= vh[r].inv(); ret *= vw[c].inv(); ret *= v[r][c]; cout << ret << endl; } } else{ int xx, yy; rep(i,H){ rep(j,W){ if(v[i][j] == 0){ yy = i; xx = j; } } } all = mint(1); rep(i,H){ rep(j,W){ if(i == yy || j == xx) continue; all *= v[i][j]; } } int Q; cin >> Q; rep(i,Q){ int r, c; cin >> r >> c; r--; c--; if(r == yy && c == xx){ cout << all << endl; }else{ cout << 0 << endl; } } } return 0; }