Submission #861781

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
861781	2023-10-17 02:23:37	NeroZein	Rainforest Jumps (APIO21_jumps)	C++17	100 / 100	820 ms	48068 KiB

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#include "jumps.h"
#include "bits/stdc++.h" 
using namespace std; 
const int LOG = 18; 
const int N = 2e5 + 5; 
int a[N], id[N]; 
int l[N], r[N];
int lo[LOG][N], hi[LOG][N];
//   SparseTable<int> st(a, [&](int i, int j) { return min(i, j); });
template <typename T, class F = function<T(const T&, const T&)>>
class SparseTable {
 public:
  int n;
  vector<vector<T>> mat;
  F func;
  void build(const vector<T>& arr, const F& f) {
    func = f; 
    n = static_cast<int>(arr.size());
    int max_log = 32 - __builtin_clz(n);
    mat.resize(max_log);
    mat[0] = arr;
    for (int j = 1; j < max_log; j++) {
      mat[j].resize(n - (1 << j) + 1);
      for (int i = 0; i <= n - (1 << j); i++) {
        mat[j][i] = func(mat[j - 1][i], mat[j - 1][i + (1 << (j - 1))]);
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 8 / 8
• Subtask 3: 13 / 13
• Subtask 4: 12 / 12
• Subtask 5: 23 / 23
• Subtask 6: 21 / 21
• Subtask 7: 19 / 19