Submission #977276

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
977276	2024-05-07 15:39:05	colossal_pepe	Bigger segments (IZhO19_segments)	C++17	37 / 100	169 ms	262144 KiB

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int n;
vector<ll> a;
ll solve() {
  vector<vector<int>> dp(n + 1, vector<int>(n + 1, 0));
  for (int i = n; i >= 1; i--) {
    for (int j = i; j <= n; j++) {
      auto itr = lower_bound(a.begin(), a.end(), 2 * a[j] - a[i - 1]);
      if (itr == a.end()) dp[i][j] = 1;
      else dp[i][j] = 1 + dp[j + 1][itr - a.begin()];
    }
    for (int j = n - 1; j >= i; j--) {
      dp[i][j] = max(dp[i][j], dp[i][j + 1]);
    }
  }
  return dp[1][1];
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cin >> n;
  a.resize(n + 1, 0);
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
 
 
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• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27