Submission #1113303

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1113303	2024-11-16 10:22:24	flashmt	Event Hopping (BOI22_events)	C++17	100 / 100	236 ms	52736 KiB

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#include <bits/stdc++.h>
using namespace std;
 
template<typename T>
struct SparseTable
{
  int n;
  vector<vector<T>> mat;
 
  SparseTable(const vector<T>& a)
  {
    n = int(a.size());
    int maxLog = 32 - __builtin_clz(n);
    mat.resize(maxLog);
    mat[0] = a;
    for (int j = 1; j < maxLog; j++)
    {
      mat[j].resize(n - (1 << j) + 1);
      for (int i = 0; i <= n - (1 << j); i++)
        mat[j][i] = min(mat[j - 1][i], mat[j - 1][i + (1 << (j - 1))]);
    }
  }
 
  T get(int from, int to)
  {
    assert(0 <= from && from <= to && to <= n - 1);
    int lg = 31 - __builtin_clz(to - from + 1);
    return min(mat[lg][from], mat[lg][to - (1 << lg) + 1]);
  }
};
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30