Submission #1029263

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1029263	2024-07-20 14:27:11	avighna	Discharging (NOI20_discharging)	C++17	100 / 100	194 ms	196440 KiB

Discharging

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#include <bits/stdc++.h>
typedef long long ll;
class SparseTable {
public:
  ll maxPow;
  std::vector<ll> orig;
  std::vector<std::vector<ll>> table_max;
  SparseTable(const std::vector<ll> &x) : orig(x) {
    const ll n = x.size();
    maxPow = std::floor(std::log2(n));
    table_max = std::vector<std::vector<ll>>(maxPow + 1, std::vector<ll>(n));
    for (ll i = 0; i < n; ++i) {
      table_max[0][i] = x[i];
    }
    for (ll power = 1; power <= maxPow; ++power) {
      for (ll i = 0; i < n - (1 << (power - 1)); ++i) {
        table_max[power][i] =
            std::max(table_max[power - 1][i],
                     table_max[power - 1][i + (1 << (power - 1))]);
      }
    }
  }
  ll query_max(ll a, ll b) {
    if (a == b) {
      return orig[a];
    }
 
 
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• Subtask 2: 13 / 13
• Subtask 3: 25 / 25
• Subtask 4: 11 / 11
• Subtask 5: 14 / 14
• Subtask 6: 28 / 28