結果

問題 No.1141 田グリッド
ユーザー raoZraoZ
提出日時 2020-07-31 22:04:12
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 116 ms / 2,000 ms
コード長 6,752 bytes
コンパイル時間 1,318 ms
コンパイル使用メモリ 135,956 KB
実行使用メモリ 6,424 KB
最終ジャッジ日時 2023-09-20 23:25:54
合計ジャッジ時間 5,073 ms
ジャッジサーバーID
（参考情報） 		judge11 / judge15
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 1 ms
4,380 KB
testcase_01 AC 2 ms
4,384 KB
testcase_02 AC 1 ms
4,380 KB
testcase_03 AC 2 ms
4,380 KB
testcase_04 AC 1 ms
4,376 KB
testcase_05 AC 1 ms
4,380 KB
testcase_06 AC 1 ms
4,376 KB
testcase_07 AC 1 ms
4,376 KB
testcase_08 AC 3 ms
4,376 KB
testcase_09 AC 3 ms
4,376 KB
testcase_10 AC 3 ms
4,376 KB
testcase_11 AC 3 ms
4,376 KB
testcase_12 AC 3 ms
4,380 KB
testcase_13 AC 109 ms
4,408 KB
testcase_14 AC 116 ms
6,424 KB
testcase_15 AC 92 ms
4,376 KB
testcase_16 AC 91 ms
4,376 KB
testcase_17 AC 90 ms
4,380 KB
testcase_18 AC 89 ms
4,376 KB
testcase_19 AC 90 ms
4,376 KB
testcase_20 AC 90 ms
4,380 KB
testcase_21 AC 90 ms
4,376 KB
testcase_22 AC 92 ms
4,380 KB
testcase_23 AC 90 ms
4,380 KB
testcase_24 AC 89 ms
4,376 KB
testcase_25 AC 89 ms
4,380 KB
testcase_26 AC 89 ms
4,380 KB
testcase_27 AC 88 ms
4,380 KB
testcase_28 AC 89 ms
4,376 KB
testcase_29 AC 89 ms
4,376 KB
testcase_30 AC 88 ms
4,380 KB
testcase_31 AC 88 ms
4,376 KB
testcase_32 AC 89 ms
4,376 KB
testcase_33 AC 88 ms
4,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<queue>
#include<map>
#include<math.h>
#include<iomanip>
#include<set>
#include<numeric>
#include<cstring>
#include<cstdio>
#include<functional>
#include<bitset>
#include<limits.h>
#include<cassert>
#include<iterator>
#include<complex>
#include<stack>
#include<unordered_map>
#include<unordered_set>
#include<time.h>
#include<random>
#include<array>
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define rep(i, a, b) for(int i = a; i < b; i++)
#define rrep(i, a, b) for(int i = b - 1; i >= a; i--)
#define repl(i, a, b) for(long long i = a; i < b; i++)
#define rrepl(i, a, b) for(long long i = b - 1; i >= a; i--)
#define ALL(a) a.begin(), a.end()
using pii = pair<int,int>;
using piii = pair<pii,int>;
using pll = pair<long long, long long>;
using plll = pair<pll, long long>;
// #pragma GCC optimize("Ofast")
// #define _GLIBCXX_DEBUG
#define pcnt __builtin_popcount
#define buli(x) __builtin_popcountll(x)
#define pb push_back
#define mp make_pair
#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() );
#define isSquare(x) (sqrt(x)*sqrt(x) == x)
template<class T>inline bool chmax(T &a, const T &b) {if(a<b){a = b; return 1;} return 0; };
template<class T>inline bool chmin(T &a, const T &b) {if(a>b){a = b; return 1;} return 0; };
inline void in(void){return;}
template <typename First, typename... Rest> void in(First& first, Rest&... rest){cin >> first;in(rest...);return;}
inline void out(void){cout << "\n";return;}
template <typename First, typename... Rest> void out(First first, Rest... rest){cout << first << " ";out(rest...);return;}
const double EPS = 1e-9;
const int mod = 1e9 + 7;
// const int mod = 998244353;
const int INF = 1e9;
const long long INFLL = 1e18;
void iosetup() {
    cin.tie(nullptr);ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
}
template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 >& p) {
    os << p.first << " " << p.second;
    return os;
}
template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
    is >> p.first >> p.second;
    return is;
}
template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
    for(int i = 0; i < (int) v.size(); i++) {
        os << v[i] << (i + 1 != v.size() ? " " : "");
    }
    return os;
}
template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
    for(T &in : v) is >> in;
    return is;
}
template<class T> vector<T> make_vec(size_t a) {return vector<T>(a); }
template<class T, class... Ts> auto make_vec(size_t a, Ts... ts){
    return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...));
}
template<class S, class T> pair<S,T> operator+(const pair<S,T> &s, const pair<S, T>& t){return pair<S,T>(s.first+t.first, s.second+t.second);}
template<class S, class T> pair<S,T> operator-(const pair<S,T> &s, const pair<S, T>& t){return pair<S,T>(s.first-t.first, s.second-t.second);}
template<class S, class T> pair<S,T> operator*(const pair<S,T> &s, const S& t){return pair<S,T>(s.first*t, s.second*t);}
template <typename T> void Exit(T first){cout << first << endl;exit(0); };
template< int mod > struct ModInt {
    unsigned x; ModInt() : x(0) {}
    ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
    ModInt &operator+=(const ModInt &p) {if((x += p.x) >= mod) x -= mod;return *this;}
    ModInt &operator-=(const ModInt &p) {if((x += mod - p.x) >= mod) x -= mod;return *this;}
    ModInt &operator*=(const ModInt &p) {x = (int) (1LL * x * p.x % mod);return *this;}
    ModInt &operator/=(const ModInt &p) {*this *= p.inverse();return *this;}
    ModInt operator-() const { return ModInt(-x); }
    ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; }
    ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; }
    ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; }
    ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; }
    bool operator==(const ModInt &p) const { return x == p.x; }
    bool operator!=(const ModInt &p) const { return x != p.x; }
    ModInt inverse() const {int a = x, b = mod, u = 1, v = 0, t;
    while(b > 0) { t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); }return ModInt(u);}
    ModInt pow(int64_t n) const {ModInt ret(1), mul(x); while(n > 0) {if(n & 1) ret *= mul;mul *= mul;n >>= 1;}return ret;}
    friend ostream &operator<<(ostream &os, const ModInt &p) { return os << p.x;}
    friend istream &operator>>(istream &is, ModInt &a) { int64_t t; is >> t; a = ModInt< mod >(t); return (is); }
    static int get_mod() { return mod; }
}; using modint = ModInt< mod >;
const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};
const pii dxy[4] = {pii(1,0), pii(0, 1), pii(-1, 0), pii(0, -1)};

//----------------------- edit from here ---------------------------------

long long modinv(ll a, const long long m) {
    long long b = m, u = 1, v = 0;
    while (b) {
        long long t = a / b;
        a -= t * b; swap(a, b);
        u -= t * v; swap(u, v);
    }
    u %= m;
    if (u < 0) u += m;
    return u;
}//mod mでの逆元aを計算

long long modpow(long long a, long long n, long long mod) {
    long long res = 1;
    while (n > 0) {
        if (n & 1) res = res * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return res;
}



int main(){
    iosetup();
    int h, w; cin >> h >> w;
    auto A = make_vec<ll>(h, w);
    rep(i, 0, h) cin >> A[i];
    vector<ll> H(h, 1), W(w, 1);
    vector<ll> cH(h, 0), cW(w, 0);
    int cnt = 0;
    rep(i, 0, h){
        rep(j, 0, w){
            if(A[i][j] != 0)(H[i] *= A[i][j]) %= mod;
            if(A[i][j] == 0) cH[i]++, cnt++;
        }
    }
    rep(i, 0, h) H[i] = modinv(H[i], mod);

    rep(i, 0, w){
        rep(j, 0, h){
            if(A[j][i] != 0) (W[i] *= A[j][i]) %= mod;
            if(A[j][i] == 0) cW[i]++;
        }
    }
    rep(i, 0, w) W[i] = modinv(W[i], mod);


    modint all = 1;
    rep(i, 0, h) rep(j, 0, w) if(A[i][j] != 0) all *= A[i][j];
    // cerr << cnt << endl;
    // cerr << all << endl;
    // cerr << H << endl;
    // cerr << W << endl;
    // cerr << cH << endl;
    // cerr << cW << endl;
    int Q; cin >> Q;
    while(Q--){
        int r, c; cin >> r >> c; r--, c--;
        modint ans = all;
        int tcnt = cnt;
        tcnt -= (cH[r] + cW[c]);
        if(A[r][c] == 0) tcnt++;
        // cerr << tcnt << endl;
        if(tcnt > 0){
            cout << 0 << endl;
            continue;
        }
        ans *= H[r]; ans *= W[c];
        if(A[r][c] != 0)ans *= A[r][c];
        cout << ans << endl;
    }


    return 0;
}
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