#684953 (C++14) No.1634 Sorting Integers (Multiple of K) Hard

• 問題: No.1634 Sorting Integers (Multiple of K) Hard
• ユーザー: karinohito
• 提出日時: 2021-07-31 02:12:17
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 805 ms / 3,000 ms
• コード長: 1,973 bytes
• コンパイル時間: 2,450 ms
• コンパイル使用メモリ: 196,636 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-09-16 05:12:34
• 合計ジャッジ時間: 18,297 ms
• ジャッジサーバーID （参考情報）: judge3 / judge2

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	2 ms; 5,248 KB
testcase_01	AC	2 ms; 5,376 KB
testcase_02	AC	2 ms; 5,376 KB
testcase_03	AC	6 ms; 5,376 KB
testcase_04	AC	5 ms; 5,376 KB
testcase_05	AC	444 ms; 5,376 KB
testcase_06	AC	445 ms; 5,376 KB
testcase_07	AC	449 ms; 5,376 KB
testcase_08	AC	486 ms; 5,376 KB
testcase_09	AC	2 ms; 5,376 KB
testcase_10	AC	2 ms; 5,376 KB
testcase_11	AC	799 ms; 5,376 KB
testcase_12	AC	713 ms; 5,376 KB
testcase_13	AC	792 ms; 5,376 KB
testcase_14	AC	801 ms; 5,376 KB
testcase_15	AC	786 ms; 5,376 KB
testcase_16	AC	792 ms; 5,376 KB
testcase_17	AC	175 ms; 5,376 KB
testcase_18	AC	222 ms; 5,376 KB
testcase_19	AC	358 ms; 5,376 KB
testcase_20	AC	209 ms; 5,376 KB
testcase_21	AC	31 ms; 5,376 KB
testcase_22	AC	528 ms; 5,376 KB
testcase_23	AC	584 ms; 5,376 KB
testcase_24	AC	710 ms; 5,376 KB
testcase_25	AC	747 ms; 5,376 KB
testcase_26	AC	775 ms; 5,376 KB
testcase_27	AC	785 ms; 5,376 KB
testcase_28	AC	789 ms; 5,376 KB
testcase_29	AC	794 ms; 5,376 KB
testcase_30	AC	790 ms; 5,376 KB
testcase_31	AC	805 ms; 5,376 KB

ソースコード

//#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
//using namespace atcoder;
using ll = long long;
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
using Graph = vector<vector<ll>>;

vector<vll> BOX;
//max C size 通りの全列挙
void next_combination(ll size, ll max, vll now_vector) {
	ll now_size = now_vector.size();
	if (now_size == size) {
		BOX.push_back(now_vector);
	}
	else {
		vll next = now_vector;
		if (now_size == 0) {
			for (ll i = 0; i < max; i++) {
				next.push_back(i);
				next_combination(size, max, next);
				next.pop_back();
			}
		}
		else {
			ll LAST = next[now_size - 1];
			for (ll i = LAST + 1; i < max; i++) {
				next.push_back(i);
				next_combination(size, max, next);
				next.pop_back();
			}
		}
	}
	return;
}



int main() {
	ll N, K;
	cin >> N >> K;
	vector<vll> permA;
	vll d;
	rep(i, N / 2) {
		d.push_back(i);
	}
	do {
		permA.push_back(d);
	} while (next_permutation(all(d)));

	vll C(9);
	vll D;
	vll per(15, 1);
	rep(i, 14) {
		per[i + 1] = per[i] * (i + 1);
	}
	rep(i, 9) {
		cin >> C[i];
		rep(j, C[i])D.push_back(i + 1);
	}

	next_combination(N / 2, N, {});
	ll an = 0;
	set<string> Poo;
	rep(i, BOX.size()) {
		unordered_map<ll, ll> M1;
		vll AUU = BOX[i];
		string AU;
		set<ll> S;
		rep(k, AUU.size()) {
			S.insert(AUU[k]);
			AU.push_back('0'+D[AUU[k]]);
		}
		if (Poo.count(AU))continue;
		Poo.insert(AU);
		string BU;
		rep(k, N) {
			if (!S.count(k))BU.push_back('0'+D[k]);
		}
		ll kk = 1;
		do {
			kk = 1;
			ll x = 0;
			rep(u, AU.size()) {
				x += (AU[u]-'0') * kk;
				kk *= 10;
				kk %= K;
				x %= K;
			}
			M1[x]++;

		} while (next_permutation(all(AU)));

		ll pp = kk;
		do {
			kk = pp;
			ll x = 0;
			rep(u, BU.size()) {
				x += (BU[u]-'0') * kk;
				kk *= 10;
				kk %= K;
				x %= K;
			}
			if (x == 0)x += K;
			an += M1[K - x];

		} while (next_permutation(all(BU)));


	}
	cout << an << endl;
}