結果
問題 | No.1353 Limited Sequence |
ユーザー | Chanyuh |
提出日時 | 2021-01-20 15:27:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 59 ms / 2,000 ms |
コード長 | 3,801 bytes |
コンパイル時間 | 1,245 ms |
コンパイル使用メモリ | 125,888 KB |
実行使用メモリ | 35,092 KB |
最終ジャッジ日時 | 2024-12-23 04:27:29 |
合計ジャッジ時間 | 4,352 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 11 ms
35,072 KB |
testcase_01 | AC | 11 ms
34,944 KB |
testcase_02 | AC | 11 ms
35,044 KB |
testcase_03 | AC | 11 ms
34,944 KB |
testcase_04 | AC | 11 ms
35,072 KB |
testcase_05 | AC | 12 ms
35,060 KB |
testcase_06 | AC | 11 ms
34,888 KB |
testcase_07 | AC | 11 ms
34,944 KB |
testcase_08 | AC | 10 ms
34,944 KB |
testcase_09 | AC | 12 ms
34,944 KB |
testcase_10 | AC | 10 ms
35,072 KB |
testcase_11 | AC | 11 ms
34,892 KB |
testcase_12 | AC | 27 ms
34,944 KB |
testcase_13 | AC | 18 ms
34,944 KB |
testcase_14 | AC | 15 ms
34,944 KB |
testcase_15 | AC | 23 ms
34,944 KB |
testcase_16 | AC | 13 ms
34,960 KB |
testcase_17 | AC | 13 ms
34,976 KB |
testcase_18 | AC | 25 ms
34,892 KB |
testcase_19 | AC | 42 ms
34,944 KB |
testcase_20 | AC | 17 ms
35,072 KB |
testcase_21 | AC | 12 ms
34,944 KB |
testcase_22 | AC | 12 ms
35,044 KB |
testcase_23 | AC | 25 ms
34,964 KB |
testcase_24 | AC | 18 ms
35,072 KB |
testcase_25 | AC | 30 ms
34,944 KB |
testcase_26 | AC | 19 ms
34,944 KB |
testcase_27 | AC | 14 ms
35,028 KB |
testcase_28 | AC | 19 ms
35,072 KB |
testcase_29 | AC | 14 ms
35,048 KB |
testcase_30 | AC | 16 ms
34,932 KB |
testcase_31 | AC | 15 ms
34,920 KB |
testcase_32 | AC | 28 ms
34,988 KB |
testcase_33 | AC | 15 ms
34,944 KB |
testcase_34 | AC | 47 ms
35,092 KB |
testcase_35 | AC | 19 ms
34,944 KB |
testcase_36 | AC | 22 ms
35,092 KB |
testcase_37 | AC | 45 ms
34,996 KB |
testcase_38 | AC | 46 ms
34,900 KB |
testcase_39 | AC | 43 ms
34,944 KB |
testcase_40 | AC | 45 ms
34,944 KB |
testcase_41 | AC | 46 ms
35,072 KB |
testcase_42 | AC | 46 ms
34,816 KB |
testcase_43 | AC | 48 ms
34,944 KB |
testcase_44 | AC | 47 ms
34,944 KB |
testcase_45 | AC | 49 ms
35,024 KB |
testcase_46 | AC | 46 ms
34,992 KB |
testcase_47 | AC | 59 ms
34,944 KB |
ソースコード
#include<iostream> #include<array> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<complex> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<tuple> #include<cassert> using namespace std; typedef long long ll; typedef unsigned int ui; const ll mod = 998244353; const ll INF = (ll)1000000007 * 1000000007; typedef pair<int, int> P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define Per(i,sta,n) for(int i=n-1;i>=sta;i--) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) typedef long double ld; const ld eps = 1e-8; const ld pi = acos(-1.0); typedef pair<ll, ll> LP; int dx[4]={1,-1,0,0}; int dy[4]={0,0,1,-1}; template<class T>bool chmax(T &a, const T &b) {if(a<b){a=b;return 1;}return 0;} template<class T>bool chmin(T &a, const T &b) {if(b<a){a=b;return 1;}return 0;} template<int mod> struct ModInt { long long x; static constexpr int MOD = mod; ModInt() : x(0) {} ModInt(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} explicit operator int() const {return x;} ModInt &operator+=(const ModInt &p) { if((x += p.x) >= mod) x -= mod; return *this; } ModInt &operator-=(const ModInt &p) { if((x += mod - p.x) >= mod) x -= mod; return *this; } ModInt &operator*=(const ModInt &p) { x = (int)(1LL * x * p.x % mod); return *this; } ModInt &operator/=(const ModInt &p) { *this *= p.inverse(); return *this; } ModInt operator-() const { return ModInt(-x); } ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; } ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; } ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; } ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; } ModInt operator%(const ModInt &p) const { return ModInt(0); } bool operator==(const ModInt &p) const { return x == p.x; } bool operator!=(const ModInt &p) const { return x != p.x; } ModInt inverse() const{ int a = x, b = mod, u = 1, v = 0, t; while(b > 0) { t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } return ModInt(u); } ModInt power(long long n) const { ModInt ret(1), mul(x); while(n > 0) { if(n & 1) ret *= mul; mul *= mul; n >>= 1; } return ret; } ModInt power(const ModInt p) const{ return ((ModInt)x).power(p.x); } friend ostream &operator<<(ostream &os, const ModInt<mod> &p) { return os << p.x; } friend istream &operator>>(istream &is, ModInt<mod> &a) { long long x; is >> x; a = ModInt<mod>(x); return (is); } }; using modint = ModInt<mod>; int n,l,r; int a[2010]; modint dp[2010][2010],dp_sum[2010]; void solve(){ cin >> n >> l >> r; rep(i,n) cin >> a[i+1]; dp[0][0]=1;dp_sum[0]=1; modint ans=0; Rep(S,1,r+1){ Rep(i,1,n+1){ if(S>=i)dp[S][i]=dp[S-i][i]+(dp_sum[S-i]-dp[S-i][i]); if(S-(a[i]+1)*i>=0) dp[S][i]-=dp_sum[S-(a[i]+1)*i]-dp[S-(a[i]+1)*i][i]; dp_sum[S]+=dp[S][i]; } if(l<=S && S<=r) ans+=dp_sum[S]; } cout << ans << endl; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(50); solve(); }