結果
| 問題 |
No.389 ロジックパズルの組み合わせ
|
| コンテスト | |
| ユーザー |
tancahn2380
|
| 提出日時 | 2018-04-07 12:28:13 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 2,402 bytes |
| コンパイル時間 | 1,338 ms |
| コンパイル使用メモリ | 107,300 KB |
| 実行使用メモリ | 13,844 KB |
| 最終ジャッジ日時 | 2024-06-26 11:03:13 |
| 合計ジャッジ時間 | 8,021 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 94 RE * 5 |
ソースコード
# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <tuple>
# include <unordered_map>
# include <numeric>
# include <complex>
# include <bitset>
# include <random>
# include <chrono>
# include <cstdlib>
# include <tuple>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr int INF = 2147483647;
constexpr int HINF = INF / 2;
constexpr double DINF = 100000000000000000.0;
constexpr double HDINF = 50000000000000000.0;
constexpr long long LINF = 9223372036854775807;
constexpr long long HLINF = 4500000000000000000;
const double PI = acos(-1);
int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
template <typename T_char>T_char TL(T_char cX) { return tolower(cX); };
template <typename T_char>T_char TU(T_char cX) { return toupper(cX); };
# define ALL(x) (x).begin(),(x).end()
# define UNIQ(c) (c).erase(unique(ALL((c))),(c).end())
# define LOWER(s) transform(ALL((s)),(s).begin(),TL<char>)
# define UPPER(s) transform(ALL((s)),(s).begin(),TU<char>)
# define FOR(i,a,b) for(LL i=(a);i<(b);i++)
# define RFOR(i,a,b) for(LL i=(a);i>=(b);i--)
# define REP(i,n) FOR(i,0,n)
# define INIT std::ios::sync_with_stdio(false);std::cin.tie(0)
LL MOD = 1000000007;
LL combi(LL N_, LL C_) {
const int NUM_ = 400001;
static LL fact[NUM_ + 1], factr[NUM_ + 1], inv[NUM_ + 1];
if (fact[0] == 0) {
inv[1] = fact[0] = factr[0] = 1;
for (int i = 2; i <= NUM_; ++i) inv[i] = inv[MOD % i] * (MOD - MOD / i) % MOD;
for (int i = 1; i <= NUM_; ++i) fact[i] = fact[i - 1] * i%MOD, factr[i] = factr[i - 1] * inv[i] % MOD;
}
if (C_<0 || C_>N_) return 0;
return factr[C_] * fact[N_] % MOD*factr[N_ - C_] % MOD;
}
LL hcomb(int P_, int Q_) { return (P_ == 0 && Q_ == 0) ? 1 : combi(P_ + Q_ - 1, Q_); }
LL modpow(LL a, LL n = MOD - 2) {
LL r = 1;
while (n) r = r*((n % 2) ? a : 1) % MOD, a = a*a%MOD, n >>= 1;
return r;
}
vector<int>h;
int sum = 0;
int main() {
int m;
cin >> m;
int n;
while (cin >> n) {
h.emplace_back(n);
sum += n;
}
if (sum + h.size()-1> m) {
cout << "NA" << endl;
return 0;
}
if (sum == 0) {
cout << 1 << endl;
return 0;
}
int num = m - (sum + h.size() - 1);
cout << (combi(num + h.size(), h.size())) << endl;
}
tancahn2380