結果
問題 | No.1332 Range Nearest Query |
ユーザー | kcvlex |
提出日時 | 2021-01-08 23:54:05 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 349 ms / 2,500 ms |
コード長 | 7,651 bytes |
コンパイル時間 | 2,330 ms |
コンパイル使用メモリ | 173,684 KB |
実行使用メモリ | 23,172 KB |
最終ジャッジ日時 | 2024-11-16 18:52:00 |
合計ジャッジ時間 | 16,192 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
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 | 299 ms
18,072 KB |
testcase_04 | AC | 304 ms
18,204 KB |
testcase_05 | AC | 299 ms
18,196 KB |
testcase_06 | AC | 220 ms
23,172 KB |
testcase_07 | AC | 221 ms
23,000 KB |
testcase_08 | AC | 221 ms
23,080 KB |
testcase_09 | AC | 220 ms
23,108 KB |
testcase_10 | AC | 220 ms
23,044 KB |
testcase_11 | AC | 221 ms
23,096 KB |
testcase_12 | AC | 221 ms
23,040 KB |
testcase_13 | AC | 221 ms
23,060 KB |
testcase_14 | AC | 220 ms
23,048 KB |
testcase_15 | AC | 223 ms
23,016 KB |
testcase_16 | AC | 336 ms
23,080 KB |
testcase_17 | AC | 337 ms
23,020 KB |
testcase_18 | AC | 349 ms
23,088 KB |
testcase_19 | AC | 338 ms
23,104 KB |
testcase_20 | AC | 343 ms
23,088 KB |
testcase_21 | AC | 342 ms
23,120 KB |
testcase_22 | AC | 345 ms
23,088 KB |
testcase_23 | AC | 340 ms
23,052 KB |
testcase_24 | AC | 323 ms
23,068 KB |
testcase_25 | AC | 334 ms
23,064 KB |
testcase_26 | AC | 200 ms
23,168 KB |
testcase_27 | AC | 161 ms
23,068 KB |
testcase_28 | AC | 63 ms
7,836 KB |
testcase_29 | AC | 65 ms
7,960 KB |
testcase_30 | AC | 67 ms
7,836 KB |
testcase_31 | AC | 60 ms
7,836 KB |
testcase_32 | AC | 67 ms
7,836 KB |
testcase_33 | AC | 67 ms
7,832 KB |
testcase_34 | AC | 63 ms
7,960 KB |
testcase_35 | AC | 63 ms
7,836 KB |
testcase_36 | AC | 63 ms
7,832 KB |
testcase_37 | AC | 66 ms
7,840 KB |
testcase_38 | AC | 217 ms
15,528 KB |
testcase_39 | AC | 111 ms
8,424 KB |
testcase_40 | AC | 335 ms
22,912 KB |
testcase_41 | AC | 147 ms
10,324 KB |
testcase_42 | AC | 213 ms
15,476 KB |
testcase_43 | AC | 172 ms
12,160 KB |
testcase_44 | AC | 269 ms
17,192 KB |
testcase_45 | AC | 259 ms
16,576 KB |
testcase_46 | AC | 198 ms
12,924 KB |
testcase_47 | AC | 238 ms
16,128 KB |
ソースコード
#include <limits> #include <initializer_list> #include <utility> #include <bitset> #include <tuple> #include <type_traits> #include <functional> #include <string> #include <array> #include <deque> #include <list> #include <queue> #include <stack> #include <vector> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <iterator> #include <algorithm> #include <complex> #include <random> #include <numeric> #include <iostream> #include <iomanip> #include <sstream> #include <regex> #include <cassert> #include <cstddef> #include <variant> #define endl codeforces #define ALL(v) std::begin(v), std::end(v) #define ALLR(v) std::rbegin(v), std::rend(v) using ll = std::int64_t; using ull = std::uint64_t; using pii = std::pair<int, int>; using tii = std::tuple<int, int, int>; using pll = std::pair<ll, ll>; using tll = std::tuple<ll, ll, ll>; using size_type = ssize_t; template <typename T> using vec = std::vector<T>; template <typename T> using vvec = vec<vec<T>>; template <typename T> const T& var_min(const T &t) { return t; } template <typename T> const T& var_max(const T &t) { return t; } template <typename T, typename... Tail> const T& var_min(const T &t, const Tail&... tail) { return std::min(t, var_min(tail...)); } template <typename T, typename... Tail> const T& var_max(const T &t, const Tail&... tail) { return std::max(t, var_max(tail...)); } template <typename T, typename... Tail> void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); } template <typename T, typename... Tail> void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); } template <typename T, std::size_t Head, std::size_t... Tail> struct multi_dim_array { using type = std::array<typename multi_dim_array<T, Tail...>::type, Head>; }; template <typename T, std::size_t Head> struct multi_dim_array<T, Head> { using type = std::array<T, Head>; }; template <typename T, std::size_t... Args> using mdarray = typename multi_dim_array<T, Args...>::type; template <typename T, typename F, typename... Args> void fill_seq(T &t, F f, Args... args) { if constexpr (std::is_invocable<F, Args...>::value) { t = f(args...); } else { for (size_type i = 0; i < t.size(); i++) fill_seq(t[i], f, args..., i); } } template <typename T> vec<T> make_v(size_type sz) { return vec<T>(sz); } template <typename T, typename... Tail> auto make_v(size_type hs, Tail&&... ts) { auto v = std::move(make_v<T>(std::forward<Tail>(ts)...)); return vec<decltype(v)>(hs, v); } namespace init__ { struct InitIO { InitIO() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(30); } } init_io; } template <typename T> T ceil_pow2(T bound) { T ret = 1; while (ret < bound) ret *= 2; return ret; } template <typename T> T ceil_div(T a, T b) { return a / b + !!(a % b); } namespace utility { template <typename T> using validate_integer = typename std::enable_if<std::is_integral<T>::value, ll>::type; template <typename T> auto popcount(T n) -> validate_integer<T> { return __builtin_popcountll(n); } // 0 indexed template <typename T> auto msb(T n) -> validate_integer<T> { return 64 - __builtin_clzll(n) - 1; } } namespace segtree { template <typename M> struct SegmentTree { vec<M> nodes; auto get_children_idx(size_type idx) { return std::make_pair(2 * idx, 2 * idx + 1); } void update_node(size_type i) { auto [ a, b ] = get_children_idx(i); nodes[i] = M::merge(nodes[a], nodes[b]); } public: template <typename F> SegmentTree(F f, size_type sz) { build(f, sz); } template <typename F> void build(F f, size_type sz) { nodes.resize(ceil_pow2(sz) * 2); auto offset = size(); for (size_type i = 0; i < sz; i++) { nodes[i + offset] = f(i); } for (size_type i = offset - 1; 1 <= i; i--) { update_node(i); } } size_type size() const { return nodes.size() / 2; } const M& operator [](size_type i) const { return nodes[size() + i]; } M get_query(ll ql, ll qr) const { M ret; size_type lnode = ql + size(), rnode = qr + size(); while (lnode < rnode) { if (lnode & 1) { ret = M::merge(nodes[lnode], ret); lnode++; } if (rnode & 1) { rnode--; ret = M::merge(ret, nodes[rnode]); } lnode /= 2; rnode /= 2; } return ret; } void update_query(ll idx, M val) { idx += size(); nodes[idx] = val; while (1 < idx) { ll pidx = idx / 2; update_node(pidx); idx = pidx; } } template <typename F> size_type lower_bound(F f) const { M sum; size_type l = 0, r = size(), idx = 0, bidx = 0; if (!f(nodes[0])) return -1; while (true) { if (r - l == 1) { if (!f(sum)) bidx++; break; } auto lidx = 2 * idx; auto ridx = lidx + 1; auto nsum = M::merge(sum, nodes[lidx]); size_type m = (l + r) / 2; if (f(nsum)) { r = m; idx = lidx; } else { l = m; idx = ridx; bidx = m; sum = std::move(nsum); } } return bidx; } }; } #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") const ll inf = 1e10; int main() { ll n; std::cin >> n; vec<ll> xv(n); for (ll &e : xv) std::cin >> e; ll q; std::cin >> q; vec<tll> qv(q); for (auto &[ l, r, v ] : qv) { std::cin >> l >> r >> v; l--; } vec<ll> ans(q, inf); { struct M { ll v; M(ll arg = -inf) : v(arg) { } static M merge(M a, M b) { return M(std::max(a.v, b.v)); } }; segtree::SegmentTree<M> seg([&](ll) { return M(); }, n); vec<std::pair<ll, ll>> pv; pv.reserve(n + q); for (ll i = 0; i < n; i++) pv.emplace_back(xv[i], -i - 1); for (ll i = 0; i < q; i++) pv.emplace_back(std::get<2>(qv[i]), i); std::sort(ALL(pv)); for (auto [ x, i ] : pv) { if (i < 0) { const ll idx = -(i + 1); seg.update_query(idx, M(x)); } else { auto [ l, r, x_ ] = qv[i]; auto res = seg.get_query(l, r).v; chmin(ans[i], x - res); } } } { struct M { ll v; M(ll arg = inf) : v(arg) { } static M merge(M a, M b) { return M(std::min(a.v, b.v)); } }; segtree::SegmentTree<M> seg([&](ll) { return M(); }, n); vec<std::pair<ll, ll>> pv; pv.reserve(n + q); for (ll i = 0; i < n; i++) pv.emplace_back(xv[i], i + 1); for (ll i = 0; i < q; i++) pv.emplace_back(std::get<2>(qv[i]), -i); std::sort(ALLR(pv)); for (auto [ x, i ] : pv) { if (0 < i) { const ll idx = i - 1; seg.update_query(idx, M(x)); } else { auto [ l, r, x_ ] = qv[-i]; auto res = seg.get_query(l, r).v; chmin(ans[-i], res - x); } } } for (ll e : ans) std::cout << e << "\n"; return 0; }