結果
| 問題 | No.1974 2x2 Flipper |
| ユーザー |
 SnowBeenDiding
|
| 提出日時 | 2022-06-10 22:00:00 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 6,488 bytes |
| コンパイル時間 | 5,553 ms |
| コンパイル使用メモリ | 315,604 KB |
| 実行使用メモリ | 13,568 KB |
| 最終ジャッジ日時 | 2024-09-21 06:17:59 |
| 合計ジャッジ時間 | 8,498 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge3 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 21 WA * 4 |
ソースコード
#include <atcoder/all>
using namespace atcoder;
using mint = modint1000000007;
// using mint = modint998244353;
// using mint = modint;//mint::set_mod(MOD);
const long long MOD = 1000000007;
// const long long MOD = 998244353;
#include <bits/stdc++.h>
#define rep(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++)
#define repeq(i, a, b) for (ll i = (ll)(a); i <= (ll)(b); i++)
#define repreq(i, a, b) for (ll i = (ll)(a); i >= (ll)(b); i--)
#define each(a, b) for (auto &(a) : (b))
#define endl '\n' // fflush(stdout);
#define cYes cout << "Yes" << endl
#define cNo cout << "No" << endl
#define sortr(v) sort(v, greater<>())
#define pb push_back
#define mp make_pair
#define mt make_tuple
#define tget(a, b) get<b>(a)
#define FI first
#define SE second
#define ALL(v) (v).begin(), (v).end()
#define INFLL 3000000000000000100LL
#define INF 1000000100
#define PI acos(-1.0L)
#define TAU (PI * 2.0L)
using namespace std;
typedef long long ll;
typedef pair<ll, ll> Pll;
typedef tuple<ll, ll, ll> Tlll;
typedef vector<int> Vi;
typedef vector<Vi> VVi;
typedef vector<ll> Vl;
typedef vector<Vl> VVl;
typedef vector<VVl> VVVl;
typedef vector<Tlll> VTlll;
typedef vector<mint> Vm;
typedef vector<Vm> VVm;
typedef vector<string> Vs;
typedef vector<double> Vd;
typedef vector<char> Vc;
typedef vector<bool> Vb;
typedef vector<Pll> VPll;
typedef priority_queue<ll> PQl;
typedef priority_queue<ll, vector<ll>, greater<ll>> PQlr;
/* print */
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &V) {
int N = V.size();
if (N == 0) {
os << endl;
return os;
}
rep(i, 0, N - 1) { os << V[i] << ' '; }
os << V[N - 1] << endl;
return os;
}
template <typename T>
ostream &operator<<(ostream &os, const vector<vector<T>> &V) {
int N = V.size();
rep(i, 0, N) os << V[i];
return os;
}
template <typename T, typename S>
ostream &operator<<(ostream &os, pair<T, S> const &P) {
os << P.FI << ' ' << P.SE;
return os;
}
ostream &operator<<(ostream &os, mint const &M) {
os << M.val();
return os;
}
/* useful */
template <typename T>
void Vin(vector<T> &v) {
int n = v.size();
rep(i, 0, n) cin >> v[i];
}
template <typename T>
int SMALLER(vector<T> &a, T x) {
return lower_bound(a.begin(), a.end(), x) - a.begin();
}
template <typename T>
int orSMALLER(vector<T> &a, T x) {
return upper_bound(a.begin(), a.end(), x) - a.begin();
}
template <typename T>
int BIGGER(vector<T> &a, T x) {
return a.size() - orSMALLER(a, x);
}
template <typename T>
int orBIGGER(vector<T> &a, T x) {
return a.size() - SMALLER(a, x);
}
template <typename T>
int COUNT(vector<T> &a, T x) {
return upper_bound(ALL(a), x) - lower_bound(ALL(a), x);
}
template <typename T>
bool chmax(T &a, T b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
template <typename T>
bool chmin(T &a, T b) {
if (a > b) {
a = b;
return 1;
}
return 0;
}
template <typename T>
void press(T &v) {
v.erase(unique(ALL(v)), v.end());
}
template <typename T>
vector<int> zip(vector<T> b) {
pair<T, int> p[b.size() + 10];
int a = b.size();
vector<int> l(a);
for (int i = 0; i < a; i++) p[i] = mp(b[i], i);
sort(p, p + a);
int w = 0;
for (int i = 0; i < a; i++) {
if (i && p[i].first != p[i - 1].first) w++;
l[p[i].second] = w;
}
return l;
}
template <typename T>
vector<T> vis(vector<T> &v) {
vector<T> S(v.size() + 1);
rep(i, 1, S.size()) S[i] += v[i - 1] + S[i - 1];
return S;
}
ll dem(ll a, ll b) { return ((a + b - 1) / (b)); }
ll dtoll(double d, int g) { return round(d * pow(10, g)); }
const double EPS = 1e-10;
void init() {
cin.tie(0);
cout.tie(0);
ios::sync_with_stdio(0);
cout << fixed << setprecision(12);
}
// Comm + K -> Comm + 0
// Comm + K -> Comm + C = add//
// Comm + K -> Comm + U = del//
/********************************** START **********************************/
// MOD ver.
struct Comb {
vector<mint> fact, ifact;
int MAX_COM;
Comb() {}
Comb(int n) {
MAX_COM = n; // ここでMAX入力を調整
init(MOD, MAX_COM);
}
void init(long long MOD, long long MAX_COM) {
int n = MAX_COM;
assert(n < MOD);
fact = vector<mint>(n + 1);
ifact = vector<mint>(n + 1);
fact[0] = 1;
for (int i = 1; i <= n; ++i) fact[i] = fact[i - 1] * i;
ifact[n] = fact[n].inv();
for (int i = n; i >= 1; --i) ifact[i - 1] = ifact[i] * i;
}
mint operator()(long long n, long long k) {
if (k < 0 || k > n) return 0;
return fact[n] * ifact[k] * ifact[n - k];
}
};
Comb comb(800010);
vector<pair<long long, long long>> fact(long long n) { // 素因数分解O(√N)
vector<pair<long long, long long>> r;
for (ll i = 2; i * i <= n; ++i) {
if (n % i) continue;
r.emplace_back(i, 0);
while (n % i == 0) {
n /= i;
r.back().second++;
}
}
if (n != 1) r.emplace_back(n, 1);
return r;
}
void sol() {
int h, w;
cin >> h >> w;
ll ct = 0;
VVi ans(h, Vi(w, 1));
if (h == 1) {
rep(i, 0, w) ans[0][i] = 0;
rep(i, 0, h) rep(j, 0, w) if (ans[i][j]) ct++;
cout << ct << endl;
cout << ans;
return;
}
if (w == 1) {
rep(i, 0, h) ans[i][0] = 0;
rep(i, 0, h) rep(j, 0, w) if (ans[i][j]) ct++;
cout << ct << endl;
cout << ans;
return;
}
if (h % 2 == 0 && w % 2 == 0) {
rep(i, 0, h) rep(j, 0, w) if (ans[i][j]) ct++;
cout << ct << endl;
cout << ans;
return;
} else if (h % 2 == 1 && w % 2 == 0) {
rep(i, 0, w) ans[0][i] = 0;
rep(i, 0, h) rep(j, 0, w) if (ans[i][j]) ct++;
cout << ct << endl;
cout << ans;
return;
} else if (h % 2 == 0 && w % 2 == 1) {
rep(i, 0, h) ans[i][0] = 0;
rep(i, 0, h) rep(j, 0, w) if (ans[i][j]) ct++;
cout << ct << endl;
cout << ans;
return;
}
rep(i, 0, h) ans[i][0] = 0;
rep(i, 0, w) ans[0][i] = 0;
rep(i, 0, 2) {
rep(j, 0, 2) {
if (ans[i][j] == 1)
ans[i][j] = 0;
else
ans[i][j] = 1;
}
}
rep(i, 0, h) rep(j, 0, w) if (ans[i][j]) ct++;
cout << ct << endl;
cout << ans;
}
int main() {
init();
int q = 1;
// cin >> q;
while (q--) sol();
return 0;
}