Submission #1035034

#	Time	Username	Problem	Language	Result	Execution time	Memory
1035034		May27_th	Financial Report (JOI21_financial)	C++17	0 / 100	4059 ms	7000 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define i64 long long
#define mp make_pair
#define pb push_back
#define all(x) (x).begin(), (x).end()
const int INF = 1e9;
void Maximize(pair<int, int> &a, pair<int, int> b) {
  if (a.first < b.first) a = b;
  else if (a.first == b.first) a.second = min(a.second, b.second);
}
void Solve(void) {
  int N, D; cin >> N >> D;
  vector<int> a(N + 1);
  vector<pair<int, int>> f(N + 1, mp(-INF, INF));
  for (int i = 1; i <= N; i ++) cin >> a[i];
  int ans = 0;
  for (int st = 0; st <= N; st ++) { 
    f[st] = mp(0, 0);
    for (int i = st + 1; i <= N; i ++) {
      f[i] = mp(1, a[i]);
      for (int j = i - 1; j >= max(st, i - D); j --) {
        pair<int, int> cur = mp(f[j].first + (a[i] > f[j].second), max(a[i], f[j].second));
        Maximize(f[i], cur);
      }
      // cout << i << " " << f[i].first << " " << f[i].second << "\n";
    }
    ans = max(ans, f[N].first);
  }
  cout << ans << "\n";
}
signed main() {
  ios_base::sync_with_stdio(false); cin.tie(0);
  cout << fixed << setprecision(10);
  int Tests = 1; // cin >> Tests;
  while (Tests --) {
    Solve();
  }
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 20
• Subtask 4: 0 / 12
• Subtask 5: 0 / 5
• Subtask 6: 0 / 35