結果
問題 | No.2694 The Early Bird Catches The Worm |
ユーザー | OnjoujiToki |
提出日時 | 2024-03-22 22:58:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 55 ms / 2,000 ms |
コード長 | 4,964 bytes |
コンパイル時間 | 1,455 ms |
コンパイル使用メモリ | 133,572 KB |
実行使用メモリ | 11,008 KB |
最終ジャッジ日時 | 2024-09-30 12:20:27 |
合計ジャッジ時間 | 5,759 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 1 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 1 ms
6,820 KB |
testcase_09 | AC | 1 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,820 KB |
testcase_11 | AC | 1 ms
6,816 KB |
testcase_12 | AC | 2 ms
6,820 KB |
testcase_13 | AC | 1 ms
6,820 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 2 ms
6,816 KB |
testcase_16 | AC | 1 ms
6,816 KB |
testcase_17 | AC | 2 ms
6,820 KB |
testcase_18 | AC | 1 ms
6,816 KB |
testcase_19 | AC | 2 ms
6,816 KB |
testcase_20 | AC | 2 ms
6,816 KB |
testcase_21 | AC | 2 ms
6,816 KB |
testcase_22 | AC | 1 ms
6,816 KB |
testcase_23 | AC | 2 ms
6,820 KB |
testcase_24 | AC | 15 ms
6,820 KB |
testcase_25 | AC | 14 ms
6,820 KB |
testcase_26 | AC | 17 ms
6,816 KB |
testcase_27 | AC | 23 ms
6,820 KB |
testcase_28 | AC | 26 ms
7,040 KB |
testcase_29 | AC | 10 ms
6,820 KB |
testcase_30 | AC | 41 ms
9,344 KB |
testcase_31 | AC | 24 ms
6,816 KB |
testcase_32 | AC | 44 ms
9,472 KB |
testcase_33 | AC | 41 ms
9,472 KB |
testcase_34 | AC | 4 ms
6,820 KB |
testcase_35 | AC | 22 ms
6,816 KB |
testcase_36 | AC | 28 ms
7,296 KB |
testcase_37 | AC | 49 ms
10,112 KB |
testcase_38 | AC | 31 ms
7,680 KB |
testcase_39 | AC | 8 ms
6,816 KB |
testcase_40 | AC | 24 ms
6,816 KB |
testcase_41 | AC | 11 ms
6,816 KB |
testcase_42 | AC | 2 ms
6,816 KB |
testcase_43 | AC | 5 ms
6,820 KB |
testcase_44 | AC | 49 ms
10,112 KB |
testcase_45 | AC | 47 ms
10,240 KB |
testcase_46 | AC | 14 ms
6,820 KB |
testcase_47 | AC | 15 ms
6,816 KB |
testcase_48 | AC | 27 ms
6,912 KB |
testcase_49 | AC | 40 ms
11,008 KB |
testcase_50 | AC | 40 ms
11,008 KB |
testcase_51 | AC | 40 ms
11,008 KB |
testcase_52 | AC | 40 ms
10,880 KB |
testcase_53 | AC | 40 ms
10,880 KB |
testcase_54 | AC | 53 ms
10,880 KB |
testcase_55 | AC | 54 ms
11,008 KB |
testcase_56 | AC | 53 ms
11,008 KB |
testcase_57 | AC | 54 ms
10,880 KB |
testcase_58 | AC | 55 ms
10,880 KB |
testcase_59 | AC | 54 ms
10,880 KB |
testcase_60 | AC | 54 ms
10,880 KB |
testcase_61 | AC | 54 ms
11,008 KB |
testcase_62 | AC | 53 ms
10,880 KB |
testcase_63 | AC | 53 ms
11,008 KB |
testcase_64 | AC | 52 ms
11,008 KB |
testcase_65 | AC | 54 ms
11,008 KB |
testcase_66 | AC | 54 ms
11,008 KB |
testcase_67 | AC | 53 ms
11,008 KB |
testcase_68 | AC | 53 ms
11,008 KB |
testcase_69 | AC | 47 ms
11,008 KB |
testcase_70 | AC | 46 ms
10,880 KB |
testcase_71 | AC | 46 ms
10,880 KB |
testcase_72 | AC | 45 ms
10,880 KB |
testcase_73 | AC | 45 ms
11,008 KB |
testcase_74 | AC | 24 ms
7,040 KB |
testcase_75 | AC | 47 ms
10,880 KB |
ソースコード
#include <algorithm> #include <array> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <complex> #include <cstdint> #include <cstring> #include <ctime> #include <deque> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <unordered_map> #include <unordered_set> #include <vector> template <typename T1, typename T2> std::ostream &operator<<(std::ostream &os, const std::pair<T1, T2> &p) { os << p.first << " " << p.second; return os; } template <typename T1, typename T2> std::istream &operator>>(std::istream &is, std::pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template <typename T> std::ostream &operator<<(std::ostream &os, const std::vector<T> &v) { for (int i = 0; i < (int)v.size(); i++) { os << v[i] << (i + 1 != (int)v.size() ? " " : ""); } return os; } template <typename T> std::istream &operator>>(std::istream &is, std::vector<T> &v) { for (T &in : v) is >> in; return is; } template <int mod> struct ModInt { int x; ModInt() : x(0) {} ModInt(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} 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^=(long long p) { // quick_pow here:3 ModInt res = 1; for (; p; p >>= 1) { if (p & 1) res *= *this; *this *= *this; } return *this = res; } 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^(long long p) const { return ModInt(*this) ^= p; } bool operator==(const ModInt &p) const { return x == p.x; } bool operator!=(const ModInt &p) const { return x != p.x; } explicit operator int() const { return x; } // added by QCFium ModInt operator=(const int p) { x = p; return ModInt(*this); } // added by QCFium ModInt inverse() const { int a = x, b = mod, u = 1, v = 0, t; while (b > 0) { t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); } return ModInt(u); } friend std::ostream &operator<<(std::ostream &os, const ModInt<mod> &p) { return os << p.x; } friend std::istream &operator>>(std::istream &is, ModInt<mod> &a) { long long x; is >> x; a = ModInt<mod>(x); return (is); } }; using mint = ModInt<998244353>; const int MOD = 998244353; template <typename T> std::pair<std::vector<T>, std::vector<T>> get_prime_factor_with_kinds(T n) { std::vector<T> prime_factors; std::vector<T> cnt; // number of i_th factor for (T i = 2; i * i <= n; i++) { if (n % i == 0) { prime_factors.push_back(i); cnt.push_back(0); while (n % i == 0) n /= i, cnt[(int)prime_factors.size() - 1]++; } } if (n > 1) prime_factors.push_back(n), cnt.push_back(1); assert(prime_factors.size() == cnt.size()); return {prime_factors, cnt}; } template <typename T> std::vector<T> get_divisors(T x, bool sorted = true) { std::vector<T> res; for (T i = 1; i <= x / i; i++) if (x % i == 0) { res.push_back(i); if (i != x / i) res.push_back(x / i); } if (sorted) std::sort(res.begin(), res.end()); return res; } void solve() { int n, h; std::cin >> n >> h; std::vector<long long> a(n), b(n); for (int i = 0; i < n; i++) { std::cin >> a[i]; } for (int i = 0; i < n; i++) { std::cin >> b[i]; } long long ans = 0; std::vector<long long> prefix(n + 1), bjj(n + 1), pa(n + 1); for (int i = 0; i < n; i++) { prefix[i + 1] = prefix[i] + b[i]; bjj[i + 1] = bjj[i] + 1LL * b[i] * (i + 1); pa[i + 1] = pa[i] + a[i]; } for (int i = 0; i < n; i++) { int r = n - 1; int l = i; auto check = [&](int mid) -> long long { long long sum = prefix[mid + 1] - prefix[i]; sum += bjj[mid + 1] - bjj[i]; sum -= 1LL * (i + 1) * (prefix[mid + 1] - prefix[i]); return sum; }; while (l < r) { int mid = (l + r + 1) / 2; if (check(mid) <= h) { l = mid; } else { r = mid - 1; } } if (check(r) <= h) { ans = std::max(ans, pa[r + 1] - pa[i]); } } std::cout << ans << std::endl; } int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); int t = 1; // std::cin >> t; while (t--) { solve(); } }