結果
| 問題 |
No.767 配られたジャパリまん
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-01-01 08:31:43 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 1,504 ms / 2,000 ms |
| コード長 | 4,219 bytes |
| コンパイル時間 | 1,940 ms |
| コンパイル使用メモリ | 186,408 KB |
| 実行使用メモリ | 17,084 KB |
| 最終ジャッジ日時 | 2024-11-06 10:01:10 |
| 合計ジャッジ時間 | 6,856 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 6 |
| other | AC * 15 |
ソースコード
#define _USE_MATH_DEFINES
#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define MT make_tuple
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
#define RT return
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
using vll = vector<ll>;
template<int MOD>
class ModInt {
public:
ModInt() :value(0) {}
ModInt(long long val) :value((int)(val<0 ? MOD + val % MOD : val % MOD)) { }
ModInt& operator+=(ModInt that) {
value = value + that.value;
if (value >= MOD)value -= MOD;
return *this;
}
ModInt& operator-=(ModInt that) {
value -= that.value;
if (value<0)value += MOD;
return *this;
}
ModInt& operator*=(ModInt that) {
value = (int)((long long)value * that.value % MOD);
return *this;
}
ModInt &operator/=(ModInt that) {
return *this *= that.inverse();
}
ModInt operator+(ModInt that) const {
return ModInt(*this) += that;
}
ModInt operator-(ModInt that) const {
return ModInt(*this) -= that;
}
ModInt operator*(ModInt that) const {
return ModInt(*this) *= that;
}
ModInt operator/(ModInt that) const {
return ModInt(*this) /= that;
}
ModInt pow(long long k) const {
ModInt n = *this, res = 1;
while (k) {
if (k & 1)res *= n;
n *= n;
k >>= 1;
}
return res;
}
ModInt inverse() const {
long long a = value, 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);
}
return ModInt(u);
}
int toi() const { return value; }
private:
int value;
};
typedef ModInt<100000007> mint;
ostream& operator<<(ostream& os, const mint& x) {
os << x.toi();
return os;
}
namespace comb {
const int N = 200005;
mint fact[N];
mint rev[N];
void init() {
fact[0] = 1;
for (int i = 1; i < N; ++i)fact[i] = fact[i - 1] * i;
for (int i = 0; i < N; ++i)rev[i] = fact[i].inverse();
}
mint C(int n, int r) {
if (n < r)return 0;
return fact[n] * rev[r] * rev[n - r];
}
}
template<class Val>
vector<Val> zeta(vector<Val> f) {
int len = (int)f.size();
for (int i = 0; (1 << i) < len; ++i) {
for (int S = i; S < len; ++S)if (S >> i & 1) {
f[S] += f[S ^ 1 << i];
}
}
return f;
}
template<class Val>
vector<Val> mobius(vector<Val> f) {
int len = (int)f.size();
for (int i = 0; (1 << i) < len; ++i) {
for (int S = i; S < len; ++S)if (S >> i & 1) {
f[S] -= f[S ^ 1 << i];
}
}
return f;
}
void solve() {
comb::init();
int H, W, K;
cin >> H >> W >> K;
vector<tuple<int, int, int> > abk(K);
rep(i, K) {
int a, b;
cin >> a >> b;
abk[i] = tie(a, b, i);
}
sort(all(abk));
vector<mint> f(1 << K);
vector<pii> p;
rep(S, 1 << K) {
p.clear();
p.emplace_back(0, 0);
int T = (1 << K) - 1;
rep(i, K) if (S >> i & 1) {
int a, b, k;
tie(a, b, k) = abk[i];
p.emplace_back(a, b);
T ^= 1 << k;
}
p.emplace_back(H, W);
mint res = 1;
rep(i, sz(p) - 1) {
int d = p[i + 1].first - p[i].first;
int r = p[i + 1].second - p[i].second;
if (d < 0 || r < 0) {
T = -1;
break;
}
res *= comb::C(d + r, d);
}
if (T >= 0)f[T] = res;
}
auto g = mobius(f);
reverse(all(g));
auto h = zeta(g);
reverse(all(h));
each(ans, h)cout << ans << endl;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout << fixed << setprecision(15);
solve();
return 0;
}