test/verify/yosupo-staticrmq.test.cpp

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• Last update: 2026-08-10 10:59:37+00:00
• Problem: https://judge.yosupo.jp/problem/staticrmq

Depends on

• Sparse Table (スパーステーブル) (structure/others/sparse-table.hpp)

Code

// clang-format off
// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/staticrmq
// clang-format on

#include <algorithm>
#include <iostream>
#include <vector>

#include "../../structure/others/sparse-table.hpp"

using namespace std;

int main() {
  int N, Q;
  cin >> N >> Q;
  vector<int> A(N);
  for (int& a : A) cin >> a;
  auto st = get_sparse_table(A, [](int a, int b) { return min(a, b); });
  while (Q--) {
    int l, r;
    cin >> l >> r;
    cout << st.fold(l, r) << "\n";
  }
}

#line 1 "test/verify/yosupo-staticrmq.test.cpp"
// clang-format off
// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/staticrmq
// clang-format on

#include <algorithm>
#include <iostream>
#include <vector>

#line 2 "structure/others/sparse-table.hpp"

#line 4 "structure/others/sparse-table.hpp"

/**
 * @brief Sparse-Table(スパーステーブル)
 *
 */
template <typename T, typename F>
struct SparseTable {
  F f;
  std::vector<std::vector<T>> st;
  std::vector<int> lookup;

  SparseTable() = default;

  explicit SparseTable(const std::vector<T>& v, const F& f) : f(f) {
    const int n = (int)v.size();
    const int b = 32 - __builtin_clz(n);
    st.assign(b, std::vector<T>(n));
    for (int i = 0; i < n; i++) {
      st[0][i] = v[i];
    }
    for (int i = 1; i < b; i++) {
      for (int j = 0; j + (1 << i) <= n; j++) {
        st[i][j] = f(st[i - 1][j], st[i - 1][j + (1 << (i - 1))]);
      }
    }
    lookup.resize(v.size() + 1);
    for (int i = 2; i <= n; i++) {
      lookup[i] = lookup[i >> 1] + 1;
    }
  }

  inline T fold(int l, int r) const {
    int b = lookup[r - l];
    return f(st[b][l], st[b][r - (1 << b)]);
  }
};

template <typename T, typename F>
SparseTable<T, F> get_sparse_table(const std::vector<T>& v, const F& f) {
  return SparseTable<T, F>(v, f);
}
#line 10 "test/verify/yosupo-staticrmq.test.cpp"

using namespace std;

int main() {
  int N, Q;
  cin >> N >> Q;
  vector<int> A(N);
  for (int& a : A) cin >> a;
  auto st = get_sparse_table(A, [](int a, int b) { return min(a, b); });
  while (Q--) {
    int l, r;
    cin >> l >> r;
    cout << st.fold(l, r) << "\n";
  }
}

Test cases

Env	Name	Status	Elapsed	Memory
g++	example_00	AC	2 ms	4 MB
g++	max_random_00	AC	693 ms	44 MB
g++	max_random_01	AC	689 ms	44 MB
g++	max_random_02	AC	760 ms	45 MB
g++	max_random_03	AC	776 ms	45 MB
g++	max_random_04	AC	715 ms	45 MB
g++	random_00	AC	494 ms	35 MB
g++	random_01	AC	597 ms	41 MB
g++	random_02	AC	369 ms	7 MB
g++	random_03	AC	154 ms	39 MB
g++	random_04	AC	204 ms	26 MB
g++	small_00	AC	2 ms	4 MB
g++	small_01	AC	3 ms	4 MB
g++	small_02	AC	3 ms	4 MB
g++	small_03	AC	2 ms	4 MB
g++	small_04	AC	3 ms	4 MB
g++	small_05	AC	2 ms	4 MB
g++	small_06	AC	3 ms	4 MB
g++	small_07	AC	2 ms	4 MB
g++	small_08	AC	3 ms	4 MB
g++	small_09	AC	2 ms	4 MB
g++	small_values_00	AC	615 ms	44 MB
g++	small_width_query_00	AC	625 ms	44 MB
g++	small_width_query_01	AC	633 ms	44 MB
g++	small_width_query_02	AC	591 ms	44 MB
g++	small_width_query_03	AC	684 ms	44 MB
g++	small_width_query_04	AC	617 ms	45 MB
clang++	example_00	AC	2 ms	4 MB
clang++	max_random_00	AC	621 ms	45 MB
clang++	max_random_01	AC	611 ms	45 MB
clang++	max_random_02	AC	636 ms	45 MB
clang++	max_random_03	AC	612 ms	45 MB
clang++	max_random_04	AC	626 ms	45 MB
clang++	random_00	AC	501 ms	35 MB
clang++	random_01	AC	537 ms	42 MB
clang++	random_02	AC	334 ms	7 MB
clang++	random_03	AC	129 ms	39 MB
clang++	random_04	AC	182 ms	26 MB
clang++	small_00	AC	3 ms	4 MB
clang++	small_01	AC	3 ms	4 MB
clang++	small_02	AC	2 ms	4 MB
clang++	small_03	AC	2 ms	4 MB
clang++	small_04	AC	2 ms	4 MB
clang++	small_05	AC	2 ms	4 MB
clang++	small_06	AC	2 ms	4 MB
clang++	small_07	AC	2 ms	4 MB
clang++	small_08	AC	2 ms	4 MB
clang++	small_09	AC	2 ms	4 MB
clang++	small_values_00	AC	561 ms	45 MB
clang++	small_width_query_00	AC	629 ms	44 MB
clang++	small_width_query_01	AC	630 ms	45 MB
clang++	small_width_query_02	AC	685 ms	44 MB
clang++	small_width_query_03	AC	604 ms	44 MB
clang++	small_width_query_04	AC	627 ms	45 MB

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