#include #define ADD(a, b) a = (a + ll(b)) % mod #define MUL(a, b) a = (a * ll(b)) % mod #define MAX(a, b) a = max(a, b) #define MIN(a, b) a = min(a, b) #define rep(i, a, b) for(int i = int(a); i < int(b); i++) #define rer(i, a, b) for(int i = int(a) - 1; i >= int(b); i--) #define all(a) (a).begin(), (a).end() #define sz(v) (int)(v).size() #define pb push_back #define sec second #define fst first #define debug(fmt, ...) Debug(__LINE__, ":", fmt, ##__VA_ARGS__) using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair pi; typedef pair pl; typedef pair ppi; typedef vector vi; typedef vector vl; typedef vector mat; typedef complex comp; void Debug() {cerr << '\n'; } templatevoid Debug(FIRST arg, REST... rest){ cerr<ostream& operator<<(ostream& out,const vector& v) { out<<"[";if(!v.empty()){rep(i,0,sz(v)-1)out<ostream& operator<<(ostream& out,const pair& v){ out<<"("<> N >> M; vector> A(N, vl(M, 0)); vector> B(2 * N + 1, vl(2 * M + 1, 0)); vector> C(2 * N + 1, vl(2 * M + 1, 1)); rep(i, 0, N) { rep(j, 0, M) { ll a; cin >> a; if(a == 0) { B[i + 1][j + 1] = 1; B[i + 1][j + M + 1] = 1; B[i + N + 1][j + 1] = 1; B[i + N + 1][j + M + 1] = 1; a = 1; } C[i + 1][j + 1] = a; C[i + N + 1][j + 1] = a; C[i + 1][j + M + 1] = a; C[i + N + 1][j + M + 1] = a; } } rep(ii, 0, N * 2) { rep(jj, 0, M * 2) { B[ii + 1][jj + 1] = B[ii + 1][jj + 1] + B[ii][jj + 1] + B[ii + 1][jj] - B[ii][jj]; C[ii + 1][jj + 1] = C[ii + 1][jj + 1] * C[ii][jj + 1] % mod * C[ii + 1][jj] % mod * invf(C[ii][jj]) % mod; } } int Q; cin >> Q; while(Q--) { int a, b; cin >> a >> b; a--; b--; if(B[a + N][b + M] - B[a + N][b + 1] - B[a + 1][b + M] + B[a + 1][b + 1] > 0) { cout << 0 << "\n"; } else cout << C[a + N][b + M] * invf(C[a + N][b + 1]) % mod * invf(C[a + 1][b + M]) % mod * C[a + 1][b + 1] % mod << "\n"; } } uint32_t rd() { uint32_t res; #ifdef __MINGW32__ asm volatile("rdrand %0" :"=a"(res) ::"cc"); #else res = std::random_device()(); #endif return res; } int main() { #ifndef LOCAL ios::sync_with_stdio(false); cin.tie(0); #endif cout << fixed; cout.precision(20); cerr << fixed; cerr.precision(6); rng.seed(rd()); #ifdef LOCAL //freopen("in.txt", "wt", stdout); //for tester if(!freopen("in.txt", "rt", stdin)) return 1; #endif solve(); cerr << "Time: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n"; return 0; }