結果
問題 | No.833 かっこいい電車 |
ユーザー | Pachicobue |
提出日時 | 2019-05-25 03:38:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 164 ms / 2,000 ms |
コード長 | 6,819 bytes |
コンパイル時間 | 2,235 ms |
コンパイル使用メモリ | 212,604 KB |
実行使用メモリ | 9,728 KB |
最終ジャッジ日時 | 2024-07-02 03:52:20 |
合計ジャッジ時間 | 5,762 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 142 ms
6,528 KB |
testcase_01 | AC | 2 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 | 2 ms
5,376 KB |
testcase_10 | AC | 121 ms
6,784 KB |
testcase_11 | AC | 164 ms
8,704 KB |
testcase_12 | AC | 49 ms
5,632 KB |
testcase_13 | AC | 34 ms
5,376 KB |
testcase_14 | AC | 133 ms
8,704 KB |
testcase_15 | AC | 65 ms
6,400 KB |
testcase_16 | AC | 55 ms
7,296 KB |
testcase_17 | AC | 46 ms
5,376 KB |
testcase_18 | AC | 141 ms
6,912 KB |
testcase_19 | AC | 52 ms
6,940 KB |
testcase_20 | AC | 15 ms
5,376 KB |
testcase_21 | AC | 117 ms
5,376 KB |
testcase_22 | AC | 91 ms
9,216 KB |
testcase_23 | AC | 59 ms
7,040 KB |
testcase_24 | AC | 91 ms
8,832 KB |
testcase_25 | AC | 136 ms
6,528 KB |
testcase_26 | AC | 63 ms
7,808 KB |
testcase_27 | AC | 99 ms
6,656 KB |
testcase_28 | AC | 69 ms
5,376 KB |
testcase_29 | AC | 83 ms
6,144 KB |
testcase_30 | AC | 97 ms
9,728 KB |
testcase_31 | AC | 138 ms
6,656 KB |
ソースコード
#include <bits/stdc++.h> #pragma GCC diagnostic ignored "-Wsign-compare" #pragma GCC diagnostic ignored "-Wsign-conversion" #define NDEBUG #define SHOW(...) static_cast<void>(0) //!===========================================================!// //! dP dP dP !// //! 88 88 88 !// //! 88aaaaa88a .d8888b. .d8888b. .d888b88 .d8888b. 88d888b. !// //! 88 88 88ooood8 88' '88 88' '88 88ooood8 88' '88 !// //! 88 88 88. ... 88. .88 88. .88 88. ... 88 !// //! dP dP '88888P' '88888P8 '88888P8 '88888P' dP !// //!===========================================================!// template <typename T, typename A> std::istream& operator>>(std::istream& is, std::vector<T, A>& v) { for (auto& e : v) { is >> e; } return is; } template <typename T> T read() { T v; return std::cin >> v, v; } template <typename T> std::vector<T> readVec(const std::size_t l) { std::vector<T> v(l); for (auto& e : v) { std::cin >> e; } return v; } using ld = long double; using uint = unsigned int; using ll = long long; using ull = unsigned long long; constexpr unsigned int MOD = 1000000007; template <typename T> constexpr T INF = std::numeric_limits<T>::max() / 4; template <typename F> constexpr F PI = static_cast<F>(3.1415926535897932385); std::mt19937 mt{std::random_device{}()}; template <typename T> bool chmin(T& a, const T& b) { return (a > b ? a = b, true : false); } template <typename T> bool chmax(T& a, const T& b) { return (a < b ? a = b, true : false); } template <typename T> std::vector<T> Vec(const std::size_t n, T v) { return std::vector<T>(n, v); } template <class... Args> auto Vec(const std::size_t n, Args... args) { return std::vector<decltype(Vec(args...))>(n, Vec(args...)); } template <typename T> constexpr T popCount(const T u) { #ifdef __has_builtin return u == 0 ? T(0) : (T)__builtin_popcountll(u); #else unsigned long long v = static_cast<unsigned long long>(u); return v = (v & 0x5555555555555555ULL) + (v >> 1 & 0x5555555555555555ULL), v = (v & 0x3333333333333333ULL) + (v >> 2 & 0x3333333333333333ULL), v = (v + (v >> 4)) & 0x0F0F0F0F0F0F0F0FULL, static_cast<T>(v * 0x0101010101010101ULL >> 56 & 0x7f); #endif } template <typename T> constexpr T log2p1(const T u) { #ifdef __has_builtin return u == 0 ? T(0) : T(64 - __builtin_clzll(u)); #else unsigned long long v = static_cast<unsigned long long>(u); return v = static_cast<unsigned long long>(v), v |= (v >> 1), v |= (v >> 2), v |= (v >> 4), v |= (v >> 8), v |= (v >> 16), v |= (v >> 32), popCount(v); #endif } template <typename T> constexpr T clog(const T v) { return v == 0 ? T(0) : log2p1(v - 1); } template <typename T> constexpr T msbp1(const T v) { return log2p1(v); } template <typename T> constexpr T lsbp1(const T v) { #ifdef __has_builtin return __builtin_ffsll(v); #else return v == 0 ? T(0) : popCount((v & (-v)) - T(1)) + T(1); #endif } template <typename T> constexpr bool ispow2(const T v) { return popCount(v) == 1; } template <typename T> constexpr T ceil2(const T v) { return v == 0 ? T(1) : T(1) << log2p1(v - 1); } template <typename T> constexpr T floor2(const T v) { return v == 0 ? T(0) : T(1) << (log2p1(v) - 1); } //!================================================================!// //! 88888888b oo dP !// //! 88 88 !// //! a88aaaa .d8888b. 88d888b. dP dP dP dP .d8888b. 88 .dP !// //! 88 88ooood8 88' '88 88 88 88 88 88' '"" 88888" !// //! 88 88. ... 88 88 88.88b.88' 88 88. ... 88 '8b. !// //! dP '88888P' dP dP 8888P Y8P dP '88888P' dP 'YP !// //!================================================================!// template <typename T = ll> class Fenwick { public: Fenwick(const std::size_t N, const T initial = T{}) : size(N), cap(ceil2(size)), value(cap + 1, 0) { if (initial != T{}) { std::fill(value.begin() + 1, value.end(), initial); for (std::size_t x = 1; x < cap; x++) { value[x + (x & -x)] += value[x]; } } } template <typename InIt> Fenwick(const InIt first, const InIt last) : size(std::distance(first, last)), cap(ceil2(size)), value(cap + 1, 0) { std::copy(first, last, value.begin() + 1); for (std::size_t x = 1; x < cap; x++) { value[x + (x & -x)] += value[x]; } } void add(const std::size_t a, const T& val) { assert(a < size); for (std::size_t ind = a + 1; ind <= cap; ind += ind & (-ind)) { value[ind] += val; } } T sum(const std::size_t a) const { assert(a <= size); T sum{}; for (std::size_t ind = a; ind != 0; ind &= ind - 1) { sum += value[ind]; } return sum; } T sum(const std::size_t l, const std::size_t r) const { return assert(l < r), assert(r <= size), sum(r) - sum(l); } std::size_t partitionPoint(const T val) const { if (val < 0) { return 0; } std::size_t x = 0; T offset = 0; for (std::size_t k = ((cap == size) ? cap : cap / 2); k != 0; k >>= 1) { if (x + k <= cap and value[x + k] + offset <= val) { offset += value[x + k], x += k; } } return std::min(x, size); } friend std::ostream& operator<<(std::ostream& os, const Fenwick& fw) { os << "["; for (std::size_t i = 0; i < fw.size; i++) { os << fw.sum(i, i + 1) << (i + 1 == fw.size ? "" : ","); } return (os << "]\n"); } private: const std::size_t size, cap; std::vector<T> value; }; //!============================================!// //! 8888ba.88ba oo !// //! 88 '8b '8b !// //! 88 88 88 .d8888b. dP 88d888b. !// //! 88 88 88 88' '88 88 88' '88 !// //! 88 88 88 88. .88 88 88 88 !// //! dP dP dP '88888P8 dP dP dP !// //!============================================!// int main() { const int N = read<int>(), Q = read<int>(); const auto A = readVec<ll>(N); Fenwick<ll> bit(A.begin(), A.end()); std::set<int> right; for (int i = 0; i <= N; i++) { right.insert(i); } for (int q = 0; q < Q; q++) { SHOW(right, bit); int t, x; std::cin >> t >> x; if (t == 1) { right.erase(x); } else if (t == 2) { right.insert(x); } else if (t == 3) { bit.add(x - 1, 1); } else { auto it = right.lower_bound(x); const int r = *it; const int l = *std::prev(it); std::cout << bit.sum(l, r) << std::endl; } } return 0; }