#include #include using namespace std; #define DEBUG(x) cerr<<#x<<": "< #define vl vector #define vii vector< vector > #define vll vector< vector > #define vs vector #define pii pair #define pis pair #define psi pair #define pll pair template pair operator+(const pair &s, const pair &t) { return pair(s.first + t.first, s.second + t.second); } template pair operator-(const pair &s, const pair &t) { return pair(s.first - t.first, s.second - t.second); } template ostream& operator<<(ostream& os, pair p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i,n) for(int i=0;i<(n);i++) #define rep1(i,n) for(int i=1;i<=(n);i++) #define rrep(i,n) for(int i=(n)-1;i>=0;i--) #define rrep1(i,n) for(int i=(n);i>0;i--) #define REP(i,a,b) for(int i=a;i bool chmax(T &a, const T &b) { if (a bool chmin(T &a, const T &b) { if (a>b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const ll MOD = 1000000007; //const ll MOD = 998244353; const double pi = 3.14159265358979323846; #define Sp(p) cout<> h >> w; assert(2 <= h); assert(2 <= w); assert(h*w <= 100000); vll a(h, vl(w)); rep (i, h) { rep (j, w) { cin >> a[i][j]; assert(0 <= a[i][j] and a[i][j] <= 1000000000); } } vll mul = calc_mul(a); int q; cin >> q; assert(1 <= q and q <= 100000); while (q--) { int r, c; cin >> r >> c; assert(1 <= r and r <= h); assert(1 <= c and c <= w); r--; c--; ll ans = 1; ans = ans * (mul[r][c] * mod_inverse(mul[r][0]) % MOD * mod_inverse(mul[0][c]) % MOD * mul[0][0] % MOD) % MOD; ans = ans * (mul[h][c] * mod_inverse(mul[h][0]) % MOD * mod_inverse(mul[r + 1][c]) % MOD * mul[r + 1][0] % MOD) % MOD; ans = ans * (mul[r][w] * mod_inverse(mul[r][c + 1]) % MOD * mod_inverse(mul[0][w]) % MOD * mul[0][c + 1] % MOD) % MOD; ans = ans * (mul[h][w] * mod_inverse(mul[h][c + 1]) % MOD * mod_inverse(mul[r + 1][w]) % MOD * mul[r + 1][c + 1] % MOD) % MOD; cout << ans << endl; } }