結果
問題 | No.1353 Limited Sequence |
ユーザー | minato |
提出日時 | 2021-01-17 13:29:36 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 208 ms / 2,000 ms |
コード長 | 8,707 bytes |
コンパイル時間 | 2,036 ms |
コンパイル使用メモリ | 211,300 KB |
実行使用メモリ | 18,944 KB |
最終ジャッジ日時 | 2024-11-29 14:07:06 |
合計ジャッジ時間 | 6,243 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 1 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 132 ms
9,856 KB |
testcase_13 | AC | 99 ms
7,680 KB |
testcase_14 | AC | 16 ms
7,424 KB |
testcase_15 | AC | 49 ms
11,776 KB |
testcase_16 | AC | 6 ms
5,248 KB |
testcase_17 | AC | 10 ms
5,888 KB |
testcase_18 | AC | 79 ms
9,728 KB |
testcase_19 | AC | 121 ms
15,232 KB |
testcase_20 | AC | 26 ms
6,784 KB |
testcase_21 | AC | 8 ms
5,248 KB |
testcase_22 | AC | 10 ms
5,248 KB |
testcase_23 | AC | 80 ms
8,960 KB |
testcase_24 | AC | 54 ms
7,040 KB |
testcase_25 | AC | 101 ms
12,928 KB |
testcase_26 | AC | 48 ms
7,680 KB |
testcase_27 | AC | 29 ms
5,248 KB |
testcase_28 | AC | 20 ms
8,192 KB |
testcase_29 | AC | 19 ms
5,248 KB |
testcase_30 | AC | 70 ms
6,400 KB |
testcase_31 | AC | 39 ms
6,272 KB |
testcase_32 | AC | 17 ms
9,216 KB |
testcase_33 | AC | 7 ms
5,760 KB |
testcase_34 | AC | 29 ms
12,288 KB |
testcase_35 | AC | 10 ms
6,144 KB |
testcase_36 | AC | 13 ms
6,656 KB |
testcase_37 | AC | 195 ms
18,944 KB |
testcase_38 | AC | 181 ms
18,944 KB |
testcase_39 | AC | 182 ms
18,944 KB |
testcase_40 | AC | 191 ms
18,944 KB |
testcase_41 | AC | 196 ms
18,944 KB |
testcase_42 | AC | 178 ms
18,944 KB |
testcase_43 | AC | 196 ms
18,944 KB |
testcase_44 | AC | 190 ms
18,944 KB |
testcase_45 | AC | 179 ms
18,944 KB |
testcase_46 | AC | 208 ms
18,944 KB |
testcase_47 | AC | 77 ms
18,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using i128 = __int128_t; using pii = pair<int, int>; using pll = pair<long long, long long>; template<class T> using vec = vector<T>; template<class T> using vvec = vector<vector<T>>; #define rep(i, n) for (int i = 0; i < (n); i++) #define rrep(i, n) for (int i = int(n) - 1; i >= 0; i--) #define all(x) (x).begin(), (x).end() constexpr char ln = '\n'; istream& operator>>(istream& is, __int128_t& x) { x = 0; string s; is >> s; int n = int(s.size()), it = 0; if (s[0] == '-') it++; for (; it < n; it++) x = (x * 10 + s[it] - '0'); if (s[0] == '-') x = -x; return is; } ostream& operator<<(ostream& os, __int128_t x) { if (x == 0) return os << 0; if (x < 0) os << '-', x = -x; deque<int> deq; while (x) deq.emplace_front(x % 10), x /= 10; for (int e : deq) os << e; return os; } template<class T1, class T2> ostream& operator<<(ostream& os, const pair<T1, T2>& p) { return os << "(" << p.first << ", " << p.second << ")"; } template<class T> ostream& operator<<(ostream& os, const vector<T>& v) { os << "{"; for (int i = 0; i < int(v.size()); i++) { if (i) os << ", "; os << v[i]; } return os << "}"; } template<class Container> inline int SZ(Container& v) { return int(v.size()); } template<class T> inline void UNIQUE(vector<T>& v) { v.erase(unique(v.begin(), v.end()), v.end()); } template<class T1, class T2> inline bool chmax(T1& a, T2 b) { if (a < b) {a = b; return true ;} return false ;} template<class T1, class T2> inline bool chmin(T1& a, T2 b) { if (a > b) {a = b; return true ;} return false ;} inline int topbit(ull x) { return x == 0 ? -1 : 63 - __builtin_clzll(x); } inline int botbit(ull x) { return x == 0 ? 64 : __builtin_ctzll(x); } inline int popcount(ull x) { return __builtin_popcountll(x); } inline int kthbit(ull x, int k) { return (x>>k) & 1; } inline constexpr long long TEN(int x) { return x == 0 ? 1 : TEN(x-1) * 10; } inline void print() { cout << "\n"; } template<class T> inline void print(const vector<T>& v) { for (int i = 0; i < int(v.size()); i++) { if (i) cout << " "; cout << v[i]; } print(); } template<class T, class... Args> inline void print(const T& x, const Args& ... args) { cout << x << " "; print(args...); } #ifdef MINATO_LOCAL inline void debug_out() { cerr << endl; } template <class T, class... Args> inline void debug_out(const T& x, const Args& ... args) { cerr << " " << x; debug_out(args...); } #define debug(...) cerr << __LINE__ << " : [" << #__VA_ARGS__ << "] =", debug_out(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " : " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif struct fast_ios { fast_ios() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// template<int m> struct ModInt { public: static constexpr int mod() { return m; } static ModInt raw(int v) { ModInt x; x._v = v; return x; } ModInt() : _v(0) {} ModInt(long long v) { long long x = (long long)(v % (long long)(umod())); if (x < 0) x += umod(); _v = (unsigned int)(x); } unsigned int val() const { return _v; } ModInt& operator++() { _v++; if (_v == umod()) _v = 0; return *this; } ModInt& operator--() { if (_v == 0) _v = umod(); _v--; return *this; } ModInt operator++(int) { ModInt result = *this; ++*this; return result; } ModInt operator--(int) { ModInt result = *this; --*this; return result; } ModInt& operator+=(const ModInt& rhs) { _v += rhs._v; if (_v >= umod()) _v -= umod(); return *this; } ModInt& operator-=(const ModInt& rhs) { _v -= rhs._v; if (_v >= umod()) _v += umod(); return *this; } ModInt& operator*=(const ModInt& rhs) { unsigned long long z = _v; z *= rhs._v; _v = (unsigned int)(z % umod()); return *this; } ModInt& operator^=(long long n) { ModInt x = *this; *this = 1; if (n < 0) x = x.inv(), n = -n; while (n) { if (n & 1) *this *= x; x *= x; n >>= 1; } return *this; } ModInt& operator/=(const ModInt& rhs) { return *this = *this * rhs.inv(); } ModInt operator+() const { return *this; } ModInt operator-() const { return ModInt() - *this; } ModInt pow(long long n) const { ModInt r = *this; r ^= n; return r; } ModInt inv() const { int a = _v, b = umod(), y = 1, z = 0, t; for (; ; ) { t = a / b; a -= t * b; if (a == 0) { assert(b == 1 || b == -1); return ModInt(b * z); } y -= t * z; t = b / a; b -= t * a; if (b == 0) { assert(a == 1 || a == -1); return ModInt(a * y); } z -= t * y; } } friend ModInt operator+(const ModInt& lhs, const ModInt& rhs) { return ModInt(lhs) += rhs; } friend ModInt operator-(const ModInt& lhs, const ModInt& rhs) { return ModInt(lhs) -= rhs; } friend ModInt operator*(const ModInt& lhs, const ModInt& rhs) { return ModInt(lhs) *= rhs; } friend ModInt operator/(const ModInt& lhs, const ModInt& rhs) { return ModInt(lhs) /= rhs; } friend ModInt operator^(const ModInt& lhs, long long rhs) { return ModInt(lhs) ^= rhs; } friend bool operator==(const ModInt& lhs, const ModInt& rhs) { return lhs._v == rhs._v; } friend bool operator!=(const ModInt& lhs, const ModInt& rhs) { return lhs._v != rhs._v; } friend ModInt operator+(long long lhs, const ModInt& rhs) { return (ModInt(lhs) += rhs); } friend ModInt operator-(long long lhs, const ModInt& rhs) { return (ModInt(lhs) -= rhs); } friend ModInt operator*(long long lhs, const ModInt& rhs) { return (ModInt(lhs) *= rhs); } friend ostream& operator<<(ostream& os, const ModInt& M) { return os << M._v; } friend istream& operator>>(istream& is, ModInt& M) { long long x; is >> x; M = ModInt(x); return is; } private: unsigned int _v; static constexpr unsigned int umod() { return m; } }; //constexpr int MOD = 1000000007; constexpr int MOD = 998244353; using mint = ModInt<MOD>; struct ModCombination { private: int max_n; vector<mint> fac_,facinv_; public: ModCombination() {} ModCombination(int n) : max_n(n), fac_(n+1), facinv_(n+1) { assert(1 <= n); fac_[0] = 1; for (int i = 1; i <= n; i++) fac_[i] = fac_[i-1]*i; facinv_[n] = fac_[n].inv(); for (int i = n; i >= 1; i--) facinv_[i-1] = facinv_[i]*i; } mint fac(int k) const { assert(0 <= k and k <= max_n); return fac_[k]; } mint facinv(int k) const { assert(0 <= k and k <= max_n); return facinv_[k]; } mint invs(int k) const { assert(1 <= k and k <= max_n); return facinv_[k]*fac_[k-1]; } mint P(int n, int k) const { if (k < 0 or k > n) return mint(0); assert(n <= max_n); return fac_[n]*facinv_[n-k]; } mint C(int n, int k) const { if (k < 0 or k > n) return mint(0); assert(n <= max_n); return fac_[n]*facinv_[n-k]*facinv_[k]; } mint H(int n, int k) const { if (n == 0 and k == 0) return mint(1); return C(n+k-1,k); } mint catalan(int n) const { if (n == 0) return mint(1); return C(n*2,n) - C(n*2,n-1); } }; int main() { int N,L,R; cin >> N >> L >> R; vec<int> A(N+1); rep(i,N) cin >> A[i+1]; vvec<mint> dp(R+1, vec<mint>(N+1)); dp[0][0] = 1; rep(s,R) { for (int i = 1; i <= N; i++) { for (int j = 1; j <= A[i]; j++) { if (s+j*i > R) break; dp[s+j*i][0] += dp[s][0]; dp[s+j*i][i] += dp[s][0]; } } for (int i = 1; i <= N; i++) { for (int j = 1; j <= A[i]; j++) { if (s+j*i > R) break; dp[s+j*i][0] -= dp[s][i]; dp[s+j*i][i] -= dp[s][i]; } } } mint ans = 0; for (int i = L; i <= R; i++) ans += dp[i][0]; cout << ans << ln; }