#1044796 (C++23) No.3030 Kruskal-Katona

• 問題: No.3030 Kruskal-Katona
• ユーザー: asmin
• 提出日時: 2025-02-21 21:50:14
• 言語: C++23 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 2 ms / 2,000 ms
• コード長: 2,224 bytes
• コンパイル時間: 3,188 ms
• コンパイル使用メモリ: 232,880 KB
• 実行使用メモリ: 6,820 KB
• 最終ジャッジ日時: 2025-02-21 21:50:27
• 合計ジャッジ時間: 3,639 ms
• ジャッジサーバーID （参考情報）: judge4 / judge5

ファイルパターン	結果
sample	AC * 3
other	AC * 27

ソースコード

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#include <cassert>
#include <cctype>
#include <cfloat>
#include <climits>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <cfenv>
#include <cinttypes>
#include <cstdint>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <array>
#include <chrono>
#include <forward_list>
#include <initializer_list>
#include <random>
#include <ratio>
#include <regex>
#include <system_error>
#include <tuple>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <shared_mutex>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
constexpr ll INF = 2e18;
constexpr int inf = 2e8;
//ライブラリを貼るところ
//ここまで
vector<ll> ans;
int t = 0;
void f(ll cur, ll i){
    if(t == 1) return;
    if(cur == 0){
        for(auto N: ans) cout << N << " ";
        cout << "\n";
        t = 1;
        return;
    }
    if(i == 0) return;
    int p = i;
    ll g = 1;
    while(g <= cur){
        ++p;
        g *= p;
        g /= p - i;
    }
    for(int j = p; j > i; --j){
        g *= j - i;
        g /= j;
        if(ans.size() != 0) if(ans[ans.size() - 1] <= j - 1) continue; 
        ans.push_back(j - 1);
        f(cur - g, i - 1);
        ans.pop_back();
    }
}
void solve(){
    ll N; cin >> N;
    int i; cin >> i;
    if(i == 1){
        cout << N << "\n";
        return;
    }
    f(N, i);
}
int main(void){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << setprecision(16) << fixed;
    int T = 1;
    for(int i = 0; i < T; ++i) solve();
}
 
 
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