結果
問題 |
No.2176 LRM Question 1
|
ユーザー |
|
提出日時 | 2023-06-16 14:30:08 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 70 ms / 2,000 ms |
コード長 | 2,426 bytes |
コンパイル時間 | 1,861 ms |
コンパイル使用メモリ | 193,968 KB |
最終ジャッジ日時 | 2025-02-14 03:45:43 |
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 22 |
ソースコード
// github.com/Johniel/contests // yukicoder/2176/main.cpp #include <bits/stdc++.h> #define each(i, c) for (auto& i : c) #define unless(cond) if (!(cond)) // #define endl "\n" using namespace std; template<typename P, typename Q> ostream& operator << (ostream& os, pair<P, Q> p) { os << "(" << p.first << "," << p.second << ")"; return os; } template<typename P, typename Q> istream& operator >> (istream& is, pair<P, Q>& p) { is >> p.first >> p.second; return is; } template<typename T> ostream& operator << (ostream& os, vector<T> v) { os << "("; for (auto& i: v) os << i << ","; os << ")"; return os; } template<typename T> istream& operator >> (istream& is, vector<T>& v) { for (auto& i: v) is >> i; return is; } template<typename T> ostream& operator << (ostream& os, set<T> s) { os << "#{"; for (auto& i: s) os << i << ","; os << "}"; return os; } template<typename K, typename V> ostream& operator << (ostream& os, map<K, V> m) { os << "{"; for (auto& i: m) os << i << ","; os << "}"; return os; } template<typename E, size_t N> istream& operator >> (istream& is, array<E, N>& a) { for (auto& i: a) is >> i; return is; } template<typename E, size_t N> ostream& operator << (ostream& os, array<E, N>& a) { os << "[" << N << "]{"; for (auto& i: a) os << i << ","; os << "}"; return os; } template<typename T> inline T setmax(T& a, T b) { return a = std::max(a, b); } template<typename T> inline T setmin(T& a, T b) { return a = std::min(a, b); } __attribute__((constructor)) static void ___initio(void) { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.setf(ios_base::fixed); cout.precision(15); return ; } using lli = long long int; using ull = unsigned long long; using str = string; template<typename T> using vec = vector<T>; constexpr array<int, 8> di({0, 1, -1, 0, 1, -1, 1, -1}); constexpr array<int, 8> dj({1, 0, 0, -1, 1, -1, -1, 1}); int main(int argc, char *argv[]) { lli x, y, mod; while (cin >> x >> y >> mod) { const int M = 1e6 + 3; static lli fact[M]; fill(fact, fact + M, 0); fact[0] = 1; for (int i = 1; i < M; ++i) { fact[i] = fact[i - 1] * i % mod; } setmin(x, mod); setmin(y, mod); lli a = 0; lli b = 0; for (int i = y; 0 < i; --i) { (a = (a + 1) * fact[i] % mod) %= mod; } for (int i = x-1; 0 < i; --i) { (b = (b + 1) * fact[i] % mod) %= mod; } cout << (a - b + mod) % mod << endl; } return 0; }