結果
| 問題 | No.2669 Generalized Hitting Set |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-01-24 22:28:32 |
| 言語 | C++17 (gcc 15.2.0 + boost 1.90.0) |
| 結果 |
AC
|
| 実行時間 | 1,037 ms / 4,000 ms |
| コード長 | 3,919 bytes |
| 記録 | |
| コンパイル時間 | 8,639 ms |
| コンパイル使用メモリ | 352,048 KB |
| 実行使用メモリ | 102,644 KB |
| 最終ジャッジ日時 | 2026-07-03 12:06:14 |
| 合計ジャッジ時間 | 24,472 ms |
|
ジャッジサーバーID (参考情報) |
judge2_0 / judge1_0 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 41 |
ソースコード
// -fsanitize=undefined,
//#define _GLIBCXX_DEBUG
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <iostream>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <random>
#include <stdio.h>
#include <fstream>
#include <functional>
#include <cassert>
#include <unordered_map>
#include <bitset>
#include <chrono>
#include <atcoder/modint>
#include "testlib.h"
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i=0;i<n;i+=1)
#define rrep(i,n) for (int i=n-1;i>-1;i--)
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << " )\n";
template<class T>
using vec = vector<T>;
template<class T>
using vvec = vec<vec<T>>;
template<class T>
using vvvec = vec<vvec<T>>;
using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
template<class T>
bool chmin(T &a, T b){
if (a>b){
a = b;
return true;
}
return false;
}
template<class T>
bool chmax(T &a, T b){
if (a<b){
a = b;
return true;
}
return false;
}
template<class T>
T sum(vec<T> x){
T res=0;
for (auto e:x){
res += e;
}
return res;
}
template<class T>
void printv(vec<T> x){
for (auto e:x){
cout<<e<<" ";
}
cout<<endl;
}
template<class T,class U>
ostream& operator<<(ostream& os, const pair<T,U>& A){
os << "(" << A.first <<", " << A.second << ")";
return os;
}
ostream& operator<<(ostream& os, const mint& a){
os << a.val();
return os;
}
template<class T>
ostream& operator<<(ostream& os, const set<T>& S){
os << "set{";
for (auto a:S){
os << a;
auto it = S.find(a);
it++;
if (it!=S.end()){
os << ", ";
}
}
os << "}";
return os;
}
template<class T>
ostream& operator<<(ostream& os, const vec<T>& A){
os << "[";
rep(i,A.size()){
os << A[i];
if (i!=A.size()-1){
os << ", ";
}
}
os << "]" ;
return os;
}
const int M = 10000;
mint fact[M],finv[M],inverse[M];
void init_mint(){
fact[0] = 1, fact[1] = 1;
finv[0] = 1, finv[1] = 1;
inverse[0] = 0, inverse[1] = 1;
for (int n=2;n<M;n++){
fact[n] = fact[n-1] * n;
inverse[n] = (-inverse[998244353 % n]) * (998244353/n);
finv[n] = finv[n-1] * inverse[n];
}
}
mint comb(int n,int r){
if (r==-1 && n==-1) return 1;
if (r < 0 || n < r) return 0;
return fact[n] * finv[r] * finv[n-r];
}
const int MIN_n = 1;
const int MAX_n = 24;
const int MIN_m = 1;
const int MAX_m = 300'000;
int main(){
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
init_mint();
registerValidation();
int n = inf.readInt(MIN_n,MAX_n);
inf.readSpace();
int m = inf.readInt(MIN_m,MAX_m);
inf.readSpace();
int k = inf.readInt(1,n);
inf.readEoln();
string mok = "[0-1]{";
mok += to_string(n);
mok += ",";
mok += to_string(n);
mok += "}";
vec<mint> cnt(1<<n,0);
rep(i,m){
string S = inf.readToken(mok);
inf.readEoln();
int val = 0, S_popcnt = 0;
rep(j,n){
val = (val<<1) + (S[j] - '0');
S_popcnt += S[j] - '0';
}
ensure(k <= S_popcnt);
cnt[val]++;
}
inf.readEof();
vec<mint> f(n+1,0);
f[k] = 1;
for (int i=k+1;i<=n;i++){
f[i] = 1;
for (int j=k;j<i;j++){
f[i] -= comb(i,j) * f[j];
}
}
for (int i=0;i<n;i++){
int t = 1<<i;
for (int S = 0;S < (1<<n);S++){
if (S & t) cnt[S^t] += cnt[S];
}
}
for (int S = 0;S < (1<<n);S++){
cnt[S] *= f[__builtin_popcount(S)];
}
for (int i=0;i<n;i++){
int t = 1<<i;
for (int S = 0;S < (1<<n);S++){
if (S & t) cnt[S] += cnt[S^t];
}
}
vec<int> g(m+1,n+1);
rep(S,1<<n){
int p = cnt[S].val();
chmin(g[p],__builtin_popcount(S));
}
for (int i=m-1;0<=i;i--){
g[i] = min(g[i],g[i+1]);
}
for (int i=1;i<=m;i++){
cout << g[i] << "\n";
}
}