結果
問題 | No.1141 田グリッド |
ユーザー |
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提出日時 | 2020-07-31 21:59:53 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 178 ms / 2,000 ms |
コード長 | 3,427 bytes |
コンパイル時間 | 2,145 ms |
コンパイル使用メモリ | 187,088 KB |
実行使用メモリ | 22,404 KB |
最終ジャッジ日時 | 2024-07-06 18:01:37 |
合計ジャッジ時間 | 7,365 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 31 |
ソースコード
#pragma GCC optimize("O3")#include <bits/stdc++.h>#define ll long long#define rep(i,n) for(ll i=0;i<(n);i++)#define pll pair<ll,ll>#define pq priority_queue#define pb push_back#define eb emplace_back#define fi first#define se second#define ios ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);#define lb(c,x) distance(c.begin(),lower_bound(all(c),x))#define ub(c,x) distance(c.begin(),upper_bound(all(c),x))using namespace std;template<class T> inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}template<class T> inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}const ll INF=1e18;const ll mod=1e9+7;struct mint {ll x; // typedef long long ll;mint(ll x=0):x((x%mod+mod)%mod){}mint operator-() const { return mint(-x);}mint& operator+=(const mint a) {if ((x += a.x) >= mod) x -= mod;return *this;}mint& operator-=(const mint a) {if ((x += mod-a.x) >= mod) x -= mod;return *this;}mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;}mint operator+(const mint a) const { return mint(*this) += a;}mint operator-(const mint a) const { return mint(*this) -= a;}mint operator*(const mint a) const { return mint(*this) *= a;}mint pow(ll t) const {if (!t) return 1;mint a = pow(t>>1);a *= a;if (t&1) a *= *this;return a;}// for prime modmint inv() const { return pow(mod-2);}mint& operator/=(const mint a) { return *this *= a.inv();}mint operator/(const mint a) const { return mint(*this) /= a;}};istream& operator>>(istream& is, mint& a) { return is >> a.x;}ostream& operator<<(ostream& os, const mint& a) { return os << a.x;}// combination mod prime// https://www.youtube.com/watch?v=8uowVvQ_-Mo&feature=youtu.be&t=1619struct combination {vector<mint> fact, ifact;combination(ll n):fact(n+1),ifact(n+1) {assert(n < mod);fact[0] = 1;for (ll i = 1; i <= n; ++i) fact[i] = fact[i-1]*i;ifact[n] = fact[n].inv();for (ll i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i;}mint operator()(ll n, ll k) {if (k < 0 || k > n) return 0;return fact[n]*ifact[k]*ifact[n-k];}mint p(ll n, ll k) {return fact[n]*ifact[n-k];}} c(1000005);int main(){ll h,w;cin >> h >> w;vector<vector<ll>> a(h,vector<ll>(w));vector<ll> R(h),C(w),mul_r(h,1),mul_c(w,1);ll mul=1;rep(i,h){rep(j,w){cin >> a[i][j];}}ll tot=0;rep(i,h){rep(j,w){if(a[i][j]==0){R[i]++;C[j]++;tot++;}mul*=max(a[i][j],1LL);mul%=mod;}}rep(i,h){rep(j,w){mul_r[i]*=max(a[i][j],1LL);mul_r[i]%=mod;}}rep(i,w){rep(j,h){mul_c[i]*=max(a[j][i],1LL);mul_c[i]%=mod;}}ll q;cin >> q;rep(i,q){ll r,c;cin >> r >> c;r--; c--;ll now_zero=0;if(a[r][c]==0) now_zero=1;if(tot>R[r]+C[c]-now_zero){cout << 0 << endl;}else{mint rr=mul_r[r];mint cc=mul_c[c];mint buf=rr*cc;mint num=max(a[r][c],1LL);buf/=num;mint ans=mul;ans/=buf;cout << ans.x << endl;}}return 0;}