結果
問題 | No.1208 anti primenumber game |
ユーザー |
|
提出日時 | 2020-08-30 17:09:38 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 110 ms / 2,000 ms |
コード長 | 3,447 bytes |
コンパイル時間 | 2,471 ms |
コンパイル使用メモリ | 200,832 KB |
最終ジャッジ日時 | 2025-01-14 00:32:02 |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 44 |
ソースコード
#include <bits/stdc++.h>using namespace std;using ll = long long;using ld = long double;using VI = vector<int>;using VL = vector<ll>;using VS = vector<string>;template<class T> using PQ = priority_queue<T, vector<T>, greater<T>>;#define FOR(i,a,n) for(int i=(a);i<(n);++i)#define eFOR(i,a,n) for(int i=(a);i<=(n);++i)#define rFOR(i,a,n) for(int i=(n)-1;i>=(a);--i)#define erFOR(i,a,n) for(int i=(n);i>=(a);--i)#define each(i, a) for(auto &i : a)#define SORT(a) sort(a.begin(),a.end())#define rSORT(a) sort(a.rbegin(),a.rend())#define fSORT(a,f) sort(a.begin(),a.end(),f)#define all(a) a.begin(),a.end()#define out(y,x) ((y)<0||h<=(y)||(x)<0||w<=(x))#define tp(a,i) get<i>(a)#define line cout << "-----------------------------\n"#define ENDL(i,n) ((i) == (n) - 1 ? "\n" : " ")#define stop system("pause")constexpr ll INF = 1000000000;constexpr ll LLINF = 1LL << 60;constexpr ll mod = 1000000007;constexpr ll MOD = 998244353;constexpr ld eps = 1e-10;constexpr ld pi = 3.1415926535897932;template<class T>inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; }return false; }template<class T>inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; }return false; }inline void init() { cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); }template<class T>inline istream& operator>>(istream& is, vector<T>& v) { for (auto& a : v)is >> a; return is; }template<class T>inline istream& operator>>(istream& is, deque<T>& v) { for (auto& a : v)is >> a; return is; }template<class T, class U>inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }template<class T>inline vector<T> vec(size_t a) { return vector<T>(a); }template<class T>inline vector<T> defvec(T def, size_t a) { return vector<T>(a, def); }template<class T, class... Ts>inline auto vec(size_t a, Ts... ts) { return vector<decltype(vec<T>(ts...))>(a, vec<T>(ts...)); }template<class T, class... Ts>inline auto defvec(T def, size_t a, Ts... ts) { return vector<decltype(defvec<T>(def, ts...))>(a, defvec<T>(def, ts...)); }template<class T>inline void print(const T& a) { cout << a << "\n"; }template<class T, class... Ts>inline void print(const T& a, const Ts&... ts) { cout << a << " "; print(ts...); }template<class T>inline void print(const vector<T>& v) { for (int i = 0; i < v.size(); ++i)cout << v[i] << (i == v.size() - 1 ? "\n" : " "); }template<class T>inline void print(const vector<vector<T>>& v) { for (auto& a : v)print(a); }inline string reversed(const string& s) { string t = s; reverse(all(t)); return t; }int main() {init();int n; ll m; cin >> n >> m;VL a(n); cin >> a;auto dp = defvec<ll>(-LLINF, n, 2, 2);auto dfs = [&](auto&& f, int i, int x, int t)->ll {if (i == n)return 0;if (dp[i][x][t] != -LLINF)return dp[i][x][t];ll res;if (t == 0) {res = f(f, i + 1, 0, t ^ 1) - m + (x == 0 ? a[i] : 1);if (x == 0 && a[i] != 1) {chmax(res, f(f, i, 1, t ^ 1) + a[i] - 1);}}else {res = f(f, i + 1, 0, t ^ 1) + m - (x == 0 ? a[i] : 1);if (x == 0 && a[i] != 1) {chmin(res, f(f, i, 1, t ^ 1) - a[i] + 1);}}return dp[i][x][t] = res;};print(0 < dfs(dfs, 0, 0, 0) ? "First" : "Second");return 0;}