結果

問題 No.129 お年玉(2)
ユーザー is_eri23
提出日時 2015-01-18 04:29:27
言語 C++11(廃止可能性あり)
(gcc 13.3.0)
結果
AC  
実行時間 577 ms / 5,000 ms
コード長 2,720 bytes
コンパイル時間 1,527 ms
コンパイル使用メモリ 157,968 KB
実行使用メモリ 433,280 KB
最終ジャッジ日時 2024-12-09 07:44:05
合計ジャッジ時間 27,915 ms
ジャッジサーバーID
(参考情報)
judge1 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 46
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 #
プレゼンテーションモードにする

#include <bits/stdc++.h>
#define EPS 1e-9
#define INF 1070000000LL
#define MOD 1000000000LL
#define fir first
#define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++)
#define numa(x,a) for(auto x: a)
#define ite iterator
#define mp make_pair
#define rep(i,n) rep2(i,0,n)
#define rep2(i,m,n) for(int i=m;i<(n);i++)
#define pb push_back
#define pf push_front
#define sec second
#define sz(x) ((int)(x).size())
#define ALL( c ) (c).begin(), (c).end()
#define gcd(a,b) __gcd(a,b)
#define mem(x,n) memset(x,n,sizeof(x))
#define endl "\n"
using namespace std;
template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){}
template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t);
    deploy<POS + 1, TUPLE, Ts...>(os, t); }
template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e <<
    (--remain == 0 ? "}" : ", "); return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain
    == 0 ? "}" : ", "); return os; }
template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "
    (" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; }
#define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; }
#define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); }
#define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); }
#define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); }
using ll = long long;
ll solve1(ll N, ll M){
N /= M;
while(N % 1000 != 0){
N -= 1;
}
return N;
}
ll pascal_table[10011][10011];
void pascal_init(int n){//nCr
//memset(pascal_table,0,sizeof(pascal_table));
rep(i,n+1){
pascal_table[i][i] = 1;
pascal_table[i][0] = 1;
}
rep2(i,2,n+1){
rep2(j,1,i){
pascal_table[i][j] = pascal_table[i-1][j-1] + pascal_table[i-1][j];
if(pascal_table[i][j] >= MOD){
pascal_table[i][j] -= MOD;
}
}
}
}
int main()
{
cin.tie(0);
ios_base::sync_with_stdio(0);
ll N,M;
cin >> N >> M;
N -= M * solve1(N,M);
N /= 1000;
N %= M;
//DEBUG2(M,N);
pascal_init(10000);
//MCN
cout << pascal_table[M][N] << endl;
return 0;
}
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