結果

問題 No.1141 田グリッド
ユーザー Imperi_Night
提出日時 2020-07-31 21:50:07
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 4,960 bytes
コンパイル時間 1,536 ms
コンパイル使用メモリ 138,660 KB
最終ジャッジ日時 2025-01-12 09:49:47
ジャッジサーバーID
（参考情報） 		judge5 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 18 WA * 13
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 # 

#line 1 "main.cpp"
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cctype>
#include <chrono>
#include <cmath>
#include <complex>
#include <cstdint>
#include <cstdlib>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <limits>
#include <list>
#include <map>
#include <memory>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <type_traits>
#include <unordered_map>
#include <utility>
#include <vector>

/* template start */

using i64 = std::int_fast64_t;
using u64 = std::uint_fast64_t;

#define rep(i, a, b) for (i64 i = (a); (i) < (b); (i)++)
#define all(i) i.begin(), i.end()

#ifdef LOCAL
#define debug(...)                                                    \
  std::cerr << "LINE: " << __LINE__ << "  [" << #__VA_ARGS__ << "]:", \
      debug_out(__VA_ARGS__)
#else
#define debug(...)
#endif

void debug_out() { std::cerr << std::endl; }

template <typename Head, typename... Tail>
void debug_out(Head h, Tail... t) {
  std::cerr << " " << h;
  if (sizeof...(t) > 0) std::cout << " :";
  debug_out(t...);
}

template <typename T1, typename T2>
std::ostream& operator<<(std::ostream& os, std::pair<T1, T2> pa) {
  return os << pa.first << " " << pa.second;
}

template <typename T>
std::ostream& operator<<(std::ostream& os, std::vector<T> vec) {
  for (std::size_t i = 0; i < vec.size(); i++)
    os << vec[i] << (i + 1 == vec.size() ? "" : " ");
  return os;
}

template <typename T1, typename T2>
inline bool chmax(T1& a, T2 b) {
  return a < b && (a = b, true);
}

template <typename T1, typename T2>
inline bool chmin(T1& a, T2 b) {
  return a > b && (a = b, true);
}

template <typename Num>
constexpr Num mypow(Num a, u64 b, Num id = 1) {
  if (b == 0) return id;
  Num x = id;
  while (b > 0) {
    if (b & 1) x *= a;
    a *= a;
    b >>= 1;
  }
  return x;
}

/* template end */

#line 2 "/home/imperi/cp-library/lib/utility/modint.hpp"

/*
  author:noshi91
  reference:https://noshi91.hatenablog.com/entry/2019/03/31/174006
            https://github.com/noshi91/Library/blob/master/other/modint.cpp

  1つめのmodintにoperator==,!=を追加したものです

  thx @noshi91!!
*/

#line 14 "/home/imperi/cp-library/lib/utility/modint.hpp"

template <std::uint_fast64_t Modulus>
class modint {
  using u64 = std::uint_fast64_t;

 public:
  u64 a;

  constexpr modint(const u64 x = 0) noexcept : a(x % Modulus) {}
  constexpr u64 &value() noexcept { return a; }
  constexpr const u64 &value() const noexcept { return a; }
  constexpr bool operator==(const modint rhs) const noexcept {
    return a == rhs.a;
  }
  constexpr bool operator!=(const modint rhs) const noexcept {
    return !(*this == rhs);
  }
  constexpr modint operator+(const modint rhs) const noexcept {
    return modint(*this) += rhs;
  }
  constexpr modint operator-(const modint rhs) const noexcept {
    return modint(*this) -= rhs;
  }
  constexpr modint operator*(const modint rhs) const noexcept {
    return modint(*this) *= rhs;
  }
  constexpr modint operator/(const modint rhs) const noexcept {
    return modint(*this) /= rhs;
  }
  constexpr modint &operator+=(const modint rhs) noexcept {
    a += rhs.a;
    if (a >= Modulus) {
      a -= Modulus;
    }
    return *this;
  }
  constexpr modint &operator-=(const modint rhs) noexcept {
    if (a < rhs.a) {
      a += Modulus;
    }
    a -= rhs.a;
    return *this;
  }
  constexpr modint &operator*=(const modint rhs) noexcept {
    a = a * rhs.a % Modulus;
    return *this;
  }
  constexpr modint &operator/=(modint rhs) noexcept {
    u64 exp = Modulus - 2;
    while (exp) {
      if (exp % 2) {
        *this *= rhs;
      }
      rhs *= rhs;
      exp /= 2;
    }
    return *this;
  }
};
#line 92 "main.cpp"

constexpr u64 MOD=1000000007;
using mint=modint<MOD>;

int main() {
  std::cin.tie(nullptr);
  std::ios::sync_with_stdio(false);

  i64 h,w;
  std::cin>>h>>w;

  mint base=1;

  i64 zerocnt=0;

  std::vector<std::vector<u64>> grid(h,std::vector<u64>(w));

  rep(i,0,h){
    rep(j,0,w){
      std::cin>>grid[i][j];
      if(grid[i][j]==0)zerocnt++;
      else base*=grid[i][j];
    }
  }

  std::vector<mint> row(h,1),col(w,1);
  std::vector<i64> rcnt(h,0),ccnt(w,0);

  rep(i,0,h){
    rep(j,0,w){
      if(grid[i][j]==0)rcnt[i]++;
      else row[i]*=grid[i][j];
    }
  }

  rep(i,0,h)debug(i,row[i].value());

  rep(i,0,w){
    rep(j,0,h){
      if(grid[j][i]==0)ccnt[i]++;
      else col[i]*=grid[j][i];
    }
  }

  rep(i,0,w)debug(i,col[i].value());

  i64 q;
  std::cin>>q;

  while(q--){
    i64 r,c;
    std::cin>>r>>c;

    r--;c--;

    if(row[r]*col[c]!=0)std::cout<<((base*grid[r][c]/row[r])/col[c]).value()<<"\n";
    else{
      i64 tmp=rcnt[r]+ccnt[c];
      if(grid[r][c]==0)tmp--;
      if(tmp==zerocnt)std::cout<<((base*(grid[r][c]!=0?grid[r][c]:1)/row[r])/col[c]).value()<<"\n";
      else std::cout<<0<<"\n";
    }
  }

  return 0;
}
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