結果
問題 | No.877 Range ReLU Query |
ユーザー | ngtkana |
提出日時 | 2019-09-09 11:56:49 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 255 ms / 2,000 ms |
コード長 | 4,420 bytes |
コンパイル時間 | 2,748 ms |
コンパイル使用メモリ | 233,684 KB |
実行使用メモリ | 12,928 KB |
最終ジャッジ日時 | 2024-11-08 10:20:30 |
合計ジャッジ時間 | 6,535 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 3 ms
5,248 KB |
testcase_02 | AC | 3 ms
5,248 KB |
testcase_03 | AC | 4 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 3 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 4 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 4 ms
5,248 KB |
testcase_11 | AC | 255 ms
12,748 KB |
testcase_12 | AC | 218 ms
12,476 KB |
testcase_13 | AC | 175 ms
10,072 KB |
testcase_14 | AC | 187 ms
10,148 KB |
testcase_15 | AC | 254 ms
12,776 KB |
testcase_16 | AC | 241 ms
12,876 KB |
testcase_17 | AC | 245 ms
12,768 KB |
testcase_18 | AC | 242 ms
12,780 KB |
testcase_19 | AC | 227 ms
12,920 KB |
testcase_20 | AC | 242 ms
12,928 KB |
ソースコード
#include <bits/stdc++.h> #define loop(n) for (int ngtkana_is_genius = 0; ngtkana_is_genius < int(n); ngtkana_is_genius++) #define rep(i, begin, end) for(int i = int(begin); i < int(end); i++) #define all(v) v.begin(), v.end() #define lint long long auto cmn = [](auto& a, auto b){if (a > b) {a = b; return true;} return false;}; auto cmx = [](auto& a, auto b){if (a < b) {a = b; return true;} return false;}; void debug_impl() { std::cerr << std::endl; } template <typename Head, typename... Tail> void debug_impl(Head head, Tail... tail){ std::cerr << " " << head; debug_impl(tail...); } #define debug(...)\ std::cerr << std::boolalpha << "[" << #__VA_ARGS__ << "]:";\ debug_impl(__VA_ARGS__);\ std::cerr << std::noboolalpha; template<typename Value, typename BinaryOp> class segment_tree { int sz, n, N; BinaryOp op; Value id; std::vector<Value> table; auto& op_eq(Value& x, Value y) const { return x = op(x, y); } void merge(int u) { table.at(u) = op(table.at(2 * u), table.at(2 * u + 1)); } Value query_impl(int l, int r, int k, int L, int R) const { return l <= L && R <= r ? table.at(k) : R <= l || r <= L ? id : op( query_impl(l, r, 2 * k, L, (L + R) / 2), query_impl(l, r, 2 * k + 1, (L + R) / 2, R) ); } public: segment_tree(int sz, BinaryOp op, Value id): sz (sz), n (std::pow(2, int(std::log2(2 * sz - 1)))), N (n * 2), op (op), id (id), table (N, id) {} auto& at(int i) { return table.at(n + i); } auto& at(int i) const { return table.at(n + i); } auto collect() const { auto ret = std::vector<Value>(sz); for (auto i = 0; i < sz; i++) { ret.at(i) = at(i); } return ret; } auto query(int l, int r) const { return query_impl(l, r, 1, 0, n); } void build_oneline(int i) { for (i += n, i /= 2; i > 0; i /= 2) merge(i); } void build() { for (auto i = 1; i < n; i++) merge(i); } void update (int u, Value val) { at(u) = val; build_oneline(u); } void add (int u, Value val) { at(u) += val; build_oneline(u); } }; template<typename Value, typename BinaryOp> auto make_segment_tree(int sz, BinaryOp op, Value id) { return segment_tree<Value, BinaryOp>(sz, std::move(op), id); } template <typename T> std::istream& operator>> (std::istream& is, std::vector<T>& v) { for (auto & x : v) is >> x; return is; } template <typename T> std::ostream& operator<< (std::ostream& os, const std::vector<T>& v) { auto n = v.size(); os << "{"; for (size_t i = 0; i < n; i++) {os << (i > 0 ? "," : "") << v.at(i);} return os << "}"; } template <typename T, typename U> std::ostream& operator<< (std::ostream& os, const std::pair<T, U>& pair) { return os << "(" << pair.first << "," << pair.second << ")"; } template <typename T, typename U> std::istream& operator>> (std::iostream& is, std::pair<T, U>& pair) { return is >> pair.first >> pair.second; } int main() { std::cin.tie(0); std::cin.sync_with_stdio(false); int n, q; std::cin >> n >> q; auto tree = make_segment_tree( n, [](auto x, auto y){ return std::make_pair(x.first + y.first, x.second + y.second); }, std::make_pair(0LL, 0) ); std::vector<std::pair<int, int>> pairs; rep(i, 0, n) { int x; std::cin >> x; pairs.emplace_back(std::make_pair(x, i)); } std::sort(all(pairs)); std::reverse(all(pairs)); std::vector<std::tuple<int, int, int, int>> queries; rep(i, 0, q) { int c, l, r, x; std::cin >> c >> l >> r >> x; queries.emplace_back(std::make_tuple(x, l, r, i)); } std::sort(all(queries)); std::reverse(all(queries)); std::vector<std::pair<int, lint>> answers; auto it = pairs.begin(); for (auto query : queries) { int x, l, r, i; std::tie(x, l, r, i) = query; l--; // debug(x, l, r, i); for (; it != pairs.end(); it++) { int y, j; std::tie(y, j) = *it; if (y <= x) break; tree.update(j, std::make_pair(y, 1)); } // debug(tree.collect()); lint sum, len; std::tie(sum, len) = tree.query(l, r); auto ret = sum - len * x; answers.emplace_back(i, ret); } std::sort(all(answers)); for (auto pair : answers) { std::cout << pair.second << std::endl; } return 0; }