結果

問題 No.1141 田グリッド
ユーザー suta28407928
提出日時 2020-07-31 21:54:18
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 62 ms / 2,000 ms
コード長 3,776 bytes
コンパイル時間 1,222 ms
コンパイル使用メモリ 104,232 KB
実行使用メモリ 6,912 KB
最終ジャッジ日時 2024-07-06 17:49:33
合計ジャッジ時間 3,612 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge3
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 * 31
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 #
プレゼンテーションモードにする

#include <iostream>
#include <string>
#include <cstdlib>
#include <cmath>
#include <vector>
#include <unordered_map>
#include <map>
#include <set>
#include <algorithm>
#include <queue>
#include <stack>
#include <functional>
#include <bitset>
#include <assert.h>
#include <unordered_map>
#include <fstream>
#include <ctime>
using namespace std;
typedef long long ll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef pair<ll,ll> P;
typedef pair<int,int> pii;
typedef vector<P> vpl;
typedef tuple<ll,ll,ll> tapu;
#define rep(i,n) for(int i=0; i<(n); i++)
#define REP(i,a,b) for(int i=(a); i<(b); i++)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
const int inf = 1<<30;
const ll linf = 1LL<<62;
const int MAX = 510000;
ll dy[8] = {1,-1,0,0,1,-1,1,-1};
ll dx[8] = {0,0,1,-1,1,-1,-1,1};
const double pi = acos(-1);
const double eps = 1e-7;
template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){
    if(a>b){
        a = b; return true;
    }
    else return false;
}
template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){
    if(a<b){
        a = b; return true;
    }
    else return false;
}
template<typename T> inline void print(T &a){
    rep(i,a.size()) cout << a[i] << " ";
    cout << "\n";
}
template<typename T1,typename T2> inline void print2(T1 a, T2 b){cout << a << " " << b << "\n";}
template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){
    cout << a << " " << b << " " << c << "\n";
}
ll pcount(ll x) {return __builtin_popcountll(x);}
const int mod = 1e9 + 7;
//const int mod = 998244353;
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 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;
  }
};
using mint = modint<mod>;
int main(){
    ll h,w; cin >> h >> w;
    vvl a(h,vl(w));
    rep(i,h) rep(j,w) cin >> a[i][j];
    mint acc = 1;
    vector<mint> b(h), c(w);
    ll zero = 0;
    vl zh(h), zw(w);
    rep(i,h){
        mint t = 1;
        rep(j,w){
            if(a[i][j] == 0){
                zero++, zh[i]++;
                continue;
            }
            t *= a[i][j];
            acc *= a[i][j]; 
        }
        b[i] = t;
    }
    rep(j,w){
        mint t = 1;
        rep(i,h){
            if(a[i][j] == 0){
                zw[j]++;
                continue;
            }
            t *= a[i][j];
        }
        c[j] = t;
    }
    ll q; cin >> q;
    ll memo = 0;
    while(q--){
        int R,C; scanf("%d%d",&R,&C); R--; C--;
        if(zero){
            if(zh[R] + zw[C] - (a[R][C] == 0) == zero){
                mint waru = b[R] * c[C];
                mint ans = acc / waru;
                if(a[R][C] != 0) ans *= a[R][C];
                cout << ans.value() << "\n";
            }else{
                cout << 0 << "\n";
            }
        }else{
            mint waru = b[R] * c[C];
            mint ans = acc / waru * a[R][C];
            cout << ans.value() << "\n";
        }
    }
}
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