結果
| 問題 |
No.226 0-1パズル
|
| コンテスト | |
| ユーザー |
arktan763
|
| 提出日時 | 2020-08-06 09:16:40 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 3 ms / 5,000 ms |
| コード長 | 5,924 bytes |
| コンパイル時間 | 2,742 ms |
| コンパイル使用メモリ | 199,488 KB |
| 最終ジャッジ日時 | 2025-01-12 15:17:26 |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 22 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define FOR(i, a, b) for(ll i = (a); i < (b); ++i)
#define FORR(i, a, b) for(ll i = (a); i > (b); --i)
#define REP(i, n) for(ll i = 0; i < (n); ++i)
#define REPR(i, n) for(ll i = n; i >= 0; i--)
#define FOREACH(x, a) for(auto &(x) : (a))
#define VECCIN(x) \
for(auto &youso_ : (x)) cin >> youso_
#define bitcnt __builtin_popcount
#define SZ(x) ((ll)(x).size())
#define fi first
#define se second
#define All(a) (a).begin(), (a).end()
template <typename T = long long> inline T IN() {
T x;
cin >> x;
return (x);
}
inline void CIN() {}
template <class Head, class... Tail>
inline void CIN(Head &&head, Tail &&... tail) {
cin >> head;
CIN(move(tail)...);
}
#define CINT(...) \
int __VA_ARGS__; \
CIN(__VA_ARGS__)
#define LCIN(...) \
ll __VA_ARGS__; \
CIN(__VA_ARGS__)
#define SCIN(...) \
string __VA_ARGS__; \
CIN(__VA_ARGS__)
#define Yes(a) cout << (a ? "Yes" : "No") << "\n"
#define YES(a) cout << (a ? "YES" : "NO") << "\n"
#define Printv(v) \
{ \
FOREACH(x, v) { cout << x << " "; } \
cout << "\n"; \
}
template <typename T = string> inline void eputs(T s) {
cout << s << "\n";
exit(0);
}
template <typename A, size_t N, typename T>
void Fill(A (&array)[N], const T &val) {
std::fill((T *)array, (T *)(array + N), val);
}
template <typename T> using PQG = priority_queue<T, vector<T>, greater<T>>;
template <typename T> using PQ = priority_queue<T>;
typedef long long ll;
typedef unsigned long long ul;
typedef vector<ll> VL;
typedef pair<ll, ll> PL;
const int INF = 1e9;
const int MOD = 1e9 + 7;
// const int MOD = 998244353;
const ll LINF = 1e18 + 1;
const ll dx[] = {1, 0, -1, 0};
const ll dy[] = {0, 1, 0, -1};
ll H, W;
vector<string> S;
// 1000000007 で割ったあまりを扱う構造体
template <int MOD> struct Fp {
long long val;
constexpr Fp(long long v = 0) noexcept : val(v % MOD) {
if(val < 0) v += MOD;
}
constexpr int getmod() { return MOD; }
constexpr Fp operator-() const noexcept { return val ? MOD - val : 0; }
constexpr Fp operator+(const Fp &r) const noexcept {
return Fp(*this) += r;
}
constexpr Fp operator-(const Fp &r) const noexcept {
return Fp(*this) -= r;
}
constexpr Fp operator*(const Fp &r) const noexcept {
return Fp(*this) *= r;
}
constexpr Fp operator/(const Fp &r) const noexcept {
return Fp(*this) /= r;
}
constexpr Fp &operator+=(const Fp &r) noexcept {
val += r.val;
if(val >= MOD) val -= MOD;
return *this;
}
constexpr Fp &operator-=(const Fp &r) noexcept {
val -= r.val;
if(val < 0) val += MOD;
return *this;
}
constexpr Fp &operator*=(const Fp &r) noexcept {
val = val * r.val % MOD;
return *this;
}
constexpr Fp &operator/=(const Fp &r) noexcept {
long long a = r.val, b = MOD, u = 1, v = 0;
while(b) {
long long t = a / b;
a -= t * b;
swap(a, b);
u -= t * v;
swap(u, v);
}
val = val * u % MOD;
if(val < 0) val += MOD;
return *this;
}
constexpr bool operator==(const Fp &r) const noexcept {
return this->val == r.val;
}
constexpr bool operator!=(const Fp &r) const noexcept {
return this->val != r.val;
}
friend constexpr ostream &operator<<(ostream &os, const Fp<MOD> &x) noexcept {
return os << x.val;
}
friend constexpr istream &operator>>(istream &is, Fp<MOD> &x) noexcept {
return is >> x.val;
}
friend constexpr Fp<MOD> modpow(const Fp<MOD> &a, long long n) noexcept {
if(n == 0) return 1;
auto t = modpow(a, n / 2);
t = t * t;
if(n & 1) t = t * a;
return t;
}
};
Fp<MOD> cnt1(vector<string> vs) {
ll h = vs.size();
ll w = vs.front().size();
Fp<MOD> ret = 1;
REP(j, w) {
ll oks = 0;
REP(p, 2) {
bool ok = true;
REP(i, h) {
ll judge = p ^ (i % 2) ^ (j % 2);
if(vs[i][j] != '?' && vs[i][j] - '0' != judge) {
ok = false;
break;
}
}
if(ok) oks++;
}
ret *= oks;
}
return ret;
}
Fp<MOD> cnt2(vector<string> vs) {
ll h = vs.size();
ll w = vs.front().size();
Fp<MOD> ret = 0;
REP(p, 2) {
bool ok = true;
REP(j, w) {
REP(i, h) {
ll judge = p ^ (i % 2) ^ (j % 2);
if(vs[i][j] != '?' && vs[i][j] - '0' != judge) {
ok = false;
break;
}
}
if(!ok) break;
}
ret += ok;
}
return ret;
}
vector<string> transpose(vector<string> vs) {
ll h = vs.size();
ll w = vs.front().size();
vector<string> ret(w, string(h, '\0'));
REP(i, w) REP(j, h) ret[i][j] = vs[j][i];
return ret;
}
signed main() {
cin >> H >> W;
REP(i, H) S.emplace_back(IN<string>());
Fp<MOD> ans = 0;
ans += cnt1(S);
ans += cnt1(transpose(S));
ans -= cnt2(S);
cout << ans << "\n";
return 0;
}
arktan763