結果

問題 No.2846 Birthday Cake
ユーザー shobonvipshobonvip
提出日時 2024-08-23 21:53:15
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 530 ms / 2,000 ms
コード長 2,121 bytes
コンパイル時間 2,613 ms
コンパイル使用メモリ 217,640 KB
実行使用メモリ 30,208 KB
最終ジャッジ日時 2024-08-23 21:53:21
合計ジャッジ時間 5,320 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
6,816 KB
testcase_01 AC 3 ms
6,940 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,940 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 AC 2 ms
6,940 KB
testcase_06 AC 2 ms
6,940 KB
testcase_07 AC 2 ms
6,944 KB
testcase_08 AC 2 ms
6,940 KB
testcase_09 AC 2 ms
6,944 KB
testcase_10 AC 2 ms
6,940 KB
testcase_11 AC 2 ms
6,940 KB
testcase_12 AC 2 ms
6,940 KB
testcase_13 AC 2 ms
6,944 KB
testcase_14 AC 14 ms
6,944 KB
testcase_15 AC 530 ms
30,080 KB
testcase_16 AC 2 ms
6,944 KB
testcase_17 AC 2 ms
6,940 KB
testcase_18 AC 2 ms
6,940 KB
testcase_19 AC 2 ms
6,940 KB
testcase_20 AC 2 ms
6,940 KB
testcase_21 AC 2 ms
6,944 KB
testcase_22 AC 2 ms
6,940 KB
testcase_23 AC 2 ms
6,940 KB
testcase_24 AC 2 ms
6,940 KB
testcase_25 AC 2 ms
6,940 KB
testcase_26 AC 51 ms
7,424 KB
testcase_27 AC 121 ms
11,520 KB
testcase_28 AC 2 ms
6,940 KB
testcase_29 AC 499 ms
30,208 KB
testcase_30 AC 50 ms
7,424 KB
testcase_31 AC 2 ms
6,940 KB
testcase_32 AC 2 ms
6,940 KB
testcase_33 AC 2 ms
6,944 KB
testcase_34 AC 2 ms
6,940 KB
testcase_35 AC 2 ms
6,944 KB
testcase_36 AC 2 ms
6,944 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include<bits/stdc++.h>
using namespace std;

//#include<atcoder/all>
//using namespace atcoder;
//typedef modint998244353 mint;
typedef long long ll;
#define rep(i, s, n) for (int i = (int)(s); i < (int)(n); i++)
#define rrep(i, s, n) for (int i = (int)(n)-1; i >= (int)(s); i--)

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	
	int k, n; cin >> k >> n;

	if (n <= 17){
		vector<ll> mxg(n+1, 1);
		rep(i,0,n) mxg[i+1] = mxg[i]/__gcd(mxg[i], (ll)(i+1))*(i+1);
		vector<ll> v(n+1, 0);
		rep(i,1,n+1) v[i] = mxg[n]/i;
		vector<map<ll,ll>> a(n+1);
		a[0][0]=1;
		rep(i,0,n){
			for(auto[j,c]:a[i]){
				rrep(x,1,n+1){
					if(j+v[x]>mxg[n])break;
					a[i+1][j+v[x]]+=c;
				}
			}
		}
		cout << a[k][mxg[n]] << endl;
	}else{
		vector<vector<ll>> tar;
		tar.resize(25);
		tar[18] = {0,1,1,10,143,1321,12612,98967,706351,4519408,23098446,90446137,233499344,359830680,303875573,120897041,15574653,61864,1,};
		tar[19] = {0,1,1,10,143,1321,12612,98967,706351,4519408,23098446,90446137,233499344,359830680,303875573,120897041,15574653,61864,1,1,};
		tar[20] = {0,1,1,10,167,1851,20562,188049,1637057,12442024,81943326,429039909,1740647525,5233214351,10843887965,14088489255,9982510305,2962502213,198795808,582085,1,};
		tar[21] = {0,1,1,10,167,2001,23622,247899,2492121,23603800,200197566,1457497196,8592067529,39580212205,134817405451,309930637885,426337329317,295288749243,73152855670,6996250795,28282071,1,};
		tar[22] = {0,1,1,10,167,2001,23622,247941,2492905,23625220,200631786,1464757108,8683726163,40413510762,140147181266,332462625610,484295650621,382283766495,146218113382,38473778130,5684671181,173183578,1,};
		tar[23] = {0,1,1,10,167,2001,23622,247941,2492905,23625220,200631786,1464757108,8683726163,40413510762,140147181266,332462625610,484295650621,382283766495,146218113382,38473778130,5684671181,173183578,1,1};
		tar[24] = {0,1,1,10,191,2511,33882,409165,4641625,50103058,496822401,4403064282,33370486316,209225931487,1051662957619,4048971290390,11244715040211,20694326612398,22228226842243,11390082915896,2186175253228,151220665303,2381965422,1643558,1,};
		cout << tar[n][k] << endl;
	}
}

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