結果
問題 | No.1389 Clumsy Calculation |
ユーザー | r1933 |
提出日時 | 2021-02-12 21:33:45 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 30 ms / 2,000 ms |
コード長 | 5,384 bytes |
コンパイル時間 | 2,245 ms |
コンパイル使用メモリ | 213,760 KB |
実行使用メモリ | 6,528 KB |
最終ジャッジ日時 | 2024-07-19 20:29:49 |
合計ジャッジ時間 | 3,923 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 28 ms
6,400 KB |
testcase_10 | AC | 15 ms
6,400 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 27 ms
6,400 KB |
testcase_15 | AC | 26 ms
6,400 KB |
testcase_16 | AC | 27 ms
6,400 KB |
testcase_17 | AC | 29 ms
6,400 KB |
testcase_18 | AC | 26 ms
6,400 KB |
testcase_19 | AC | 27 ms
6,272 KB |
testcase_20 | AC | 28 ms
6,528 KB |
testcase_21 | AC | 28 ms
6,400 KB |
testcase_22 | AC | 30 ms
6,528 KB |
testcase_23 | AC | 29 ms
6,400 KB |
testcase_24 | AC | 29 ms
6,400 KB |
testcase_25 | AC | 30 ms
6,400 KB |
testcase_26 | AC | 28 ms
6,400 KB |
testcase_27 | AC | 28 ms
6,400 KB |
testcase_28 | AC | 28 ms
6,272 KB |
ソースコード
#pragma GCC optimize("Ofast") #include "bits/stdc++.h" // Begin Header {{{ using namespace std; #ifndef DEBUG #define dump(...) #endif #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define rep(i, b, e) for (intmax_t i = (b), i##_limit = (e); i < i##_limit; ++i) #define repc(i, b, e) for (intmax_t i = (b), i##_limit = (e); i <= i##_limit; ++i) #define repr(i, b, e) for (intmax_t i = (b), i##_limit = (e); i >= i##_limit; --i) #define var(Type, ...) Type __VA_ARGS__; input(__VA_ARGS__) constexpr size_t operator""_zu(unsigned long long value) { return value; }; constexpr intmax_t operator""_jd(unsigned long long value) { return value; }; constexpr uintmax_t operator""_ju(unsigned long long value) { return value; }; constexpr int INF = 0x3f3f3f3f; constexpr intmax_t LINF = 0x3f3f3f3f3f3f3f3f_jd; template <class T, class Compare = less<>> using MaxHeap = priority_queue<T, vector<T>, Compare>; template <class T, class Compare = greater<>> using MinHeap = priority_queue<T, vector<T>, Compare>; inline void input() {} template <class Head, class... Tail> inline void input(Head&& head, Tail&&... tail) { cin >> head; input(forward<Tail>(tail)...); } template <class Container, class Value = typename Container::value_type, enable_if_t<!is_same<Container, string>::value, nullptr_t> = nullptr> inline istream& operator>>(istream &is, Container &vs) { for (auto &v: vs) is >> v; return is; } template <class T, class U> inline istream& operator>>(istream &is, pair<T, U> &p) { is >> p.first >> p.second; return is; } inline void output() { cout << "\n"; } template <class Head, class... Tail> inline void output(Head&& head, Tail&&... tail) { cout << head; if (sizeof...(tail)) cout << " "; output(forward<Tail>(tail)...); } template <class Container, class Value = typename Container::value_type, enable_if_t<!is_same<Container, string>::value, nullptr_t> = nullptr> inline ostream& operator<<(ostream &os, const Container &vs) { static constexpr const char *delim[] = {" ", ""}; for (auto it = begin(vs); it != end(vs); ++it) { os << delim[it == begin(vs)] << *it; } return os; } template <class Iterator> inline void join(const Iterator &Begin, const Iterator &End, const string &delim = "\n", const string &last = "\n") { for (auto it = Begin; it != End; ++it) { cout << ((it == Begin) ? "" : delim) << *it; } cout << last; } template <class T> inline vector<T> makeVector(const T &init_value, size_t sz) { return vector<T>(sz, init_value); } template <class T, class... Args> inline auto makeVector(const T &init_value, size_t sz, Args... args) { return vector<decltype(makeVector<T>(init_value, args...))>(sz, makeVector<T>(init_value, args...)); } template <class Func> class FixPoint : Func { public: explicit constexpr FixPoint(Func&& f) noexcept : Func(forward<Func>(f)) {} template <class... Args> constexpr decltype(auto) operator()(Args&&... args) const { return Func::operator()(*this, std::forward<Args>(args)...); } }; template <class Func> static inline constexpr decltype(auto) makeFixPoint(Func&& f) noexcept { return FixPoint<Func>{forward<Func>(f)}; } template <class Container> struct reverse_t { Container &c; reverse_t(Container &c) : c(c) {} auto begin() { return c.rbegin(); } auto end() { return c.rend(); } }; template <class Container> auto reversed(Container &c) { return reverse_t<Container>(c); } template <class T> inline bool chmax(T &a, const T &b) noexcept { return b > a && (a = b, true); } template <class T> inline bool chmin(T &a, const T &b) noexcept { return b < a && (a = b, true); } template <class T> inline T diff(const T &a, const T &b) noexcept { return a < b ? b - a : a - b; } void operator|=(vector<bool>::reference lhs, const bool rhs) { lhs = lhs | rhs; } void ioinit() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); clog << fixed << setprecision(10); } // }}} End Header // FenwickTree {{{ template <class T> struct FenwickTree { vector<T> ft; const size_t SIZE; explicit FenwickTree(size_t n) : ft(n + 5, 0), SIZE(1 << (__lg(n + 5) + 1)) {} void add(int i, const T& v) { for (++i; i < ft.size(); i += i & -i) ft[i] += v; } // [0, i] T sum(int i) const { T ret = 0; for (++i; i > 0; i -= i & -i) ret += ft[i]; return ret; } // [s, t] T sum(int s, int t) const { if (s > t) swap(s, t); return sum(t) - sum(s - 1); } size_t lower_bound(T v) const { if (v <= 0) return 0; T x = 0; for (size_t k = SIZE; k > 0; k >>= 1) { if (x + k < ft.size() && ft[x + k] < v) { v -= ft[x + k]; x += k; } } return x; } }; // }}} int main() { ioinit(); var(size_t, N); var(intmax_t, X); vector<intmax_t> ss(N + 1); repc(i, 1, N) input(ss[i]); FenwickTree<intmax_t> ft(N + 1); repc(i, 1, N) { ft.add(i, X - ss[i]); } repc(i, 1, N) { intmax_t S = ft.sum(0, i - 1) + ft.sum(i + 1, N + 1); if (X - ss[i] / 2 + S == X) { return output(S), 0; } } return 0; }