Submission #942308

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
942308	2024-03-10 12:35:34	ttnhuy313	Bigger segments (IZhO19_segments)	C++14	100 / 100	171 ms	99208 KiB

segments

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#include <bits/stdc++.h>
 
using namespace std;
#define int long long
typedef pair <int, int> ii;
 
const int N = 5e5 + 5, oo = 1e18;
int n, a[N], p[N];
set <ii> s[N];
 
signed main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
 
  cin >> n;
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
    p[i] = p[i - 1] + a[i];
  }
  for (int i = 1; i <= n; ++i) {
    s[i].insert({1, 1});
    if (i == n) {
      cout << (*(s[i].rbegin())).first << endl;
      return 0;
    }
    int lst = oo;
    while (!s[i].empty()) {
      ii mx = *s[i].rbegin();
      s[i].erase(mx);
      if (mx.first == lst) continue;
      s[i + 1].insert(mx);
 
 
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• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 36 / 36
• Subtask 5: 27 / 27