using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Threading; using System.Runtime.CompilerServices; using System.Text; using System.Diagnostics; using System.Numerics; using static System.Console; using static System.Convert; using static System.Math; using static Template; class Solver { public Scanner sc; public void Solve() { int H, W; sc.Make(out H, out W); var A = sc.ArrInt2D(H); var hp = new ModInt[H]; var wp = new ModInt[W]; var L = new bool[W + 1]; var R = new bool[W + 1]; var U = new bool[H + 1]; var D = new bool[H + 1]; ModInt all = 1; var Hz = new bool[H]; var Wz = new bool[W]; for (int i = 0; i < H; i++) { hp[i] = 1; for (int j = 0; j < W; j++) { Hz[i] |= A[i][j] == 0; if (A[i][j] > 0) { hp[i] *= A[i][j]; all *= A[i][j]; } } } for (int i = 0; i < W; i++) { wp[i] = 1; for (int j = 0; j < H; j++) { Wz[i] |= A[j][i] == 0; if (A[j][i] >0) { wp[i] *= A[j][i]; } } } U[0] = L[0] = R[W] = D[H] = false; for (int i = 0; i < H; i++) U[i + 1] = U[i] | Hz[i]; for (int i = 0; i < W; i++) L[i + 1] = L[i] | Wz[i]; for (int i = H - 1; i >= 0; i--) { D[i] = D[i + 1] | Hz[i]; } for (int i = W - 1; i >= 0; i--) { R[i] = R[i + 1] | Wz[i]; } var Q = sc.Int; while (Q-- > 0) { int r, c; sc.Make(out r, out c); r--; c--; ModInt res; if (U[r] || D[r + 1] || L[c] || R[c+1]) { Console.WriteLine(0); continue; } res = all / (hp[r] * wp[c]); if (A[r][c] != 0) res *= A[r][c]; Console.WriteLine(res); } } } public struct ModInt { public const long MOD = (int)1e9 + 7; //public const long MOD = 998244353; public long Value { get; set; } public ModInt(long n = 0) { Value = n; } private static ModInt[] fac, inv, facinv; public override string ToString() => Value.ToString(); [MethodImpl(MethodImplOptions.AggressiveInlining)] public static ModInt operator +(ModInt l, ModInt r) { l.Value += r.Value; if (l.Value >= MOD) l.Value -= MOD; return l; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static ModInt operator -(ModInt l, ModInt r) { l.Value -= r.Value; if (l.Value < 0) l.Value += MOD; return l; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static ModInt operator *(ModInt l, ModInt r) => new ModInt(l.Value * r.Value % MOD); [MethodImpl(MethodImplOptions.AggressiveInlining)] public static ModInt operator /(ModInt l, ModInt r) => l * Pow(r, MOD - 2); [MethodImpl(MethodImplOptions.AggressiveInlining)] public static implicit operator long(ModInt l) => l.Value; [MethodImpl(MethodImplOptions.AggressiveInlining)] public static implicit operator ModInt(long n) { n %= MOD; if (n < 0) n += MOD; return new ModInt(n); } public static ModInt Pow(ModInt m, long n) { if (n == 0) return 1; if (n % 2 == 0) return Pow(m * m, n >> 1); else return Pow(m * m, n >> 1) * m; } public static void Build(int n) { fac = new ModInt[n + 1]; facinv = new ModInt[n + 1]; inv = new ModInt[n + 1]; inv[1] = fac[0] = fac[1] = facinv[0] = facinv[1] = 1; for (var i = 2; i <= n; i++) { fac[i] = fac[i - 1] * i; inv[i] = MOD - inv[MOD % i] * (MOD / i); facinv[i] = facinv[i - 1] * inv[i]; } } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static ModInt Fac(int n) => fac[n]; [MethodImpl(MethodImplOptions.AggressiveInlining)] public static ModInt Inv(int n) => inv[n]; [MethodImpl(MethodImplOptions.AggressiveInlining)] public static ModInt FacInv(int n) => facinv[n]; [MethodImpl(MethodImplOptions.AggressiveInlining)] public static ModInt Comb(int n, int r) { if (n < r) return 0; if (n == r) return 1; return fac[n] * facinv[r] * facinv[n - r]; } public static ModInt Perm(int n, int r) { if (n < r) return 0; return fac[n] * facinv[n - r]; } } #region Template public static class Template { static void Main(string[] args) { Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }); var sol = new Solver() { sc = new Scanner() }; //var th = new Thread(sol.Solve, 1 << 26);th.Start();th.Join(); sol.Solve(); Console.Out.Flush(); } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static bool chmin(ref T a, T b) where T : IComparable { if (a.CompareTo(b) > 0) { a = b; return true; } return false; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static bool chmax(ref T a, T b) where T : IComparable { if (a.CompareTo(b) < 0) { a = b; return true; } return false; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void swap(ref T a, ref T b) { var t = b; b = a; a = t; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void swap(this IList A, int i, int j) { var t = A[i]; A[i] = A[j]; A[j] = t; } public static T[] Create(int n, Func f) { var rt = new T[n]; for (var i = 0; i < rt.Length; ++i) rt[i] = f(); return rt; } public static T[] Create(int n, Func f) { var rt = new T[n]; for (var i = 0; i < rt.Length; ++i) rt[i] = f(i); return rt; } public static void Out(this IList A, out T a) => a = A[0]; public static void Out(this IList A, out T a, out T b) { a = A[0]; b = A[1]; } public static void Out(this IList A, out T a, out T b, out T c) { A.Out(out a, out b); c = A[2]; } public static void Out(this IList A, out T a, out T b, out T c, out T d) { A.Out(out a, out b, out c); d = A[3]; } public static string Concat(this IEnumerable A, string sp) => string.Join(sp, A); public static char ToChar(this int s, char begin = '0') => (char)(s + begin); public static IEnumerable Shuffle(this IEnumerable A) => A.OrderBy(v => Guid.NewGuid()); public static int CompareTo(this T[] A, T[] B, Comparison cmp = null) { cmp = cmp ?? Comparer.Default.Compare; for (var i = 0; i < Min(A.Length, B.Length); i++) { int c = cmp(A[i], B[i]); if (c > 0) return 1; else if (c < 0) return -1; } if (A.Length == B.Length) return 0; if (A.Length > B.Length) return 1; else return -1; } public static int ArgMax(this IList A, Comparison cmp = null) { cmp = cmp ?? Comparer.Default.Compare; T max = A[0]; int rt = 0; for (int i = 1; i < A.Count; i++) if (cmp(max, A[i]) < 0) { max = A[i]; rt = i; } return rt; } public static T PopBack(this List A) { var v = A[A.Count - 1]; A.RemoveAt(A.Count - 1); return v; } public static void Fail(T s) { Console.WriteLine(s); Console.Out.Close(); Environment.Exit(0); } } public class Scanner { public string Str => Console.ReadLine().Trim(); public int Int => int.Parse(Str); public long Long => long.Parse(Str); public double Double => double.Parse(Str); public int[] ArrInt => Str.Split(' ').Select(int.Parse).ToArray(); public long[] ArrLong => Str.Split(' ').Select(long.Parse).ToArray(); public char[][] Grid(int n) => Create(n, () => Str.ToCharArray()); public int[] ArrInt1D(int n) => Create(n, () => Int); public long[] ArrLong1D(int n) => Create(n, () => Long); public int[][] ArrInt2D(int n) => Create(n, () => ArrInt); public long[][] ArrLong2D(int n) => Create(n, () => ArrLong); private Queue q = new Queue(); [MethodImpl(MethodImplOptions.AggressiveInlining)] public T Next() { if (q.Count == 0) foreach (var item in Str.Split(' ')) q.Enqueue(item); return (T)Convert.ChangeType(q.Dequeue(), typeof(T)); } public void Make(out T1 v1) => v1 = Next(); public void Make(out T1 v1, out T2 v2) { v1 = Next(); v2 = Next(); } public void Make(out T1 v1, out T2 v2, out T3 v3) { Make(out v1, out v2); v3 = Next(); } public void Make(out T1 v1, out T2 v2, out T3 v3, out T4 v4) { Make(out v1, out v2, out v3); v4 = Next(); } public void Make(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5) { Make(out v1, out v2, out v3, out v4); v5 = Next(); } public void Make(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5, out T6 v6) { Make(out v1, out v2, out v3, out v4, out v5); v6 = Next(); } public void Make(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5, out T6 v6, out T7 v7) { Make(out v1, out v2, out v3, out v4, out v5, out v6); v7 = Next(); } public (T1, T2) Make() { Make(out T1 v1, out T2 v2); return (v1, v2); } public (T1, T2, T3) Make() { Make(out T1 v1, out T2 v2, out T3 v3); return (v1, v2, v3); } public (T1, T2, T3, T4) Make() { Make(out T1 v1, out T2 v2, out T3 v3, out T4 v4); return (v1, v2, v3, v4); } } #endregion