結果
| 問題 |
No.129 お年玉(2)
|
| コンテスト | |
| ユーザー |
kei
|
| 提出日時 | 2018-08-16 01:12:21 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 234 ms / 5,000 ms |
| コード長 | 1,796 bytes |
| コンパイル時間 | 1,697 ms |
| コンパイル使用メモリ | 168,436 KB |
| 実行使用メモリ | 236,672 KB |
| 最終ジャッジ日時 | 2024-11-28 01:09:27 |
| 合計ジャッジ時間 | 7,797 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 46 |
ソースコード
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }
template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; }
template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; }
template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }
/*
<url:https://yukicoder.me/problems/no/129>
問題文============================================================
=================================================================
解説=============================================================
================================================================
*/
const ll MOD = 1e9;
ll solve(){
ll res = 0;
ll N,M; cin >> N >> M;
ll x = N-N/(1000*M)*(1000*M);
x /= 1000;
int comb[M+1][M+1];
for (int i = 0; i <= M; i++) {
for (int j = 0; j <= i; j++) {
if (j == 0 || j == i)
comb[i][j] = 1;
else
comb[i][j] = (comb[i - 1][j - 1] + comb[i - 1][j])%MOD;
}
}
res = comb[M][x];
return res;
}
int main(void) {
cin.tie(0); ios_base::sync_with_stdio(false);
cout << solve() << endl;
return 0;
}
kei