oj.uz

Submission #518314

# Submission time Handle Problem Language Result Execution time Memory
518314 2022-01-23T11:10:31 Z cig32 Financial Report (JOI21_financial) C++17
31 / 100
 887 ms 48548 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
const int MAXN = 3e5 + 10;
const int MOD = 1e9 + 7;
#define int long long

int st[4*MAXN];

void u(int l, int r, int tar, int idx, int val) {
  if(l == r){
    st[idx] = val;return;
  }
  int mid = (l+r) >> 1;
  if(tar <= mid) u(l, mid, tar, 2*idx+1, val);
  else u(mid+1, r, tar, 2*idx+2, val);
  st[idx] = max(st[2*idx+1], st[2*idx+2]);
}

int qu(int l, int r, int constl, int constr, int idx) {
  if(l<=constl && constr<=r) return st[idx];
  int mid = (constl+constr) >> 1;
  if(mid<l || r<constl) return qu(l, r, mid+1, constr, 2*idx+2);
  if(constr<l || r<mid+1) return qu(l, r, constl, mid, 2*idx+1);
  return max(qu(l, r, constl, mid, 2*idx+1), qu(l, r, mid+1, constr, 2*idx+2));
}

void update(int i, int v) {
  u(0, MAXN-1, i, 0, v);
}
int query(int l, int r) {
  return qu(l, r, 0, MAXN-1, 0);
}

void solve(int tc) {
  int N,D;cin >> N >> D;
  int A[N+1];
  map<int, vector<int> > mp;
  for(int i=1; i<=N; i++){
    cin>>A[i];
    mp[A[i]].push_back(i);
  }
  
  set<pair<int, int> > s;
  s.insert({696969, 0});
  s.insert({N, N});//actual .first: N+1 - .first
  for(auto xz: mp) {
    int x = xz.first;
    map<int, int> pending;
    for(int y: xz.second) {
      pair<int, int> q = *s.lower_bound({N+1 - y, 0});
      if(q.first == 696969) continue;
//      cout << y << ": ";
//      cout << "erase " << N+1 - q.first << " " << q.second << "\n";
      s.erase(q);
      q.first = N+1 - q.first;
      pair<int, int> q1 = {q.first, y - q.first};
      pair<int, int> q2 = {y + 1, q.first + q.second - 1 - y};
      q1.first = N+1 - q1.first;
      q2.first = N+1 - q2.first;
      if(q1.second >= D) {
        s.insert(q1);
//        cout << "insert " << N+1 - q1.first << " " << q1.second << "\n";
      }
      if(q2.second >= D) {
        s.insert(q2);
//        cout << "insert " << N+1 - q2.first << " " << q2.second << "\n";
      }
    }
    for(int y: xz.second) {
      pair<int, int> q = *s.lower_bound({N+1 - (y - D), 0});
      int lb = 1;
      if(q.first != 696969) {
        lb = N+1 - q.first;
      }
      int q0 = query(lb, y);
      pending[y] = q0 + 1;
    }
    for(auto y: pending) {
      update(y.first, y.second);
    }
  }
  cout << query(1, N) << "\n";
}

int32_t main(){
  ios::sync_with_stdio(0); cin.tie(0);
  int t = 1; //cin >> t;
  for(int i=1; i<=t; i++) solve(i);
}

Compilation message

Main.cpp: In function 'void solve(long long int)':
Main.cpp:49:9: warning: unused variable 'x' [-Wunused-variable]
   49 |     int x = xz.first;
      |         ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 472 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 472 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Incorrect 1 ms 332 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 472 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Incorrect 1 ms 332 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 331 ms 34352 KB Output is correct
2 Correct 311 ms 20876 KB Output is correct
3 Correct 413 ms 18832 KB Output is correct
4 Correct 887 ms 43660 KB Output is correct
5 Correct 561 ms 47272 KB Output is correct
6 Correct 813 ms 48548 KB Output is correct
7 Correct 366 ms 43480 KB Output is correct
8 Correct 334 ms 43632 KB Output is correct
9 Correct 275 ms 43772 KB Output is correct
10 Correct 279 ms 43868 KB Output is correct
11 Correct 467 ms 44168 KB Output is correct
12 Correct 589 ms 44532 KB Output is correct
13 Correct 486 ms 44128 KB Output is correct
14 Correct 666 ms 44552 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 244 ms 34780 KB Output is correct
2 Correct 234 ms 16632 KB Output is correct
3 Correct 307 ms 18364 KB Output is correct
4 Correct 636 ms 46636 KB Output is correct
5 Correct 486 ms 46524 KB Output is correct
6 Correct 527 ms 46872 KB Output is correct
7 Correct 247 ms 46536 KB Output is correct
8 Correct 245 ms 46676 KB Output is correct
9 Correct 248 ms 46248 KB Output is correct
10 Correct 307 ms 46420 KB Output is correct
11 Correct 482 ms 46704 KB Output is correct
12 Correct 417 ms 46640 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 472 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Incorrect 1 ms 332 KB Output isn't correct
29 Halted 0 ms 0 KB -