oj.uz

Submission #1072421

# Submission time Handle Problem Language Result Execution time Memory
1072421 2024-08-23T18:49:39 Z NeroZein Tricks of the Trade (CEOI23_trade) C++17
50 / 100
 3640 ms 18392 KB 
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define debug(...)
#endif

const int N = 250003;

int n, k;
int cl, cr;
long long s2; 
int c[N], s[N];
long long pref[N]; 
multiset<int> se, se2;

void balance() {
  if ((int) se2.size() > k) {
    int mn = *se2.begin();
    s2 -= mn;
    se.insert(mn); 
    se2.erase(se2.begin());
  }
  if ((int) se2.size() < k && !se.empty()) {
    int mx = *se.rbegin();
    s2 += mx; 
    se2.insert(mx); 
    se.erase(se.find(mx));
  }
}

void add(int ind) {
  se2.insert(s[ind]);
  s2 += s[ind];
  balance();
}

void rem(int ind) {
  if (se2.count(s[ind])) {
    s2 -= s[ind];
    se2.erase(se2.find(s[ind]));
  } else {
    se.erase(se.find(s[ind]));
  }
  balance(); 
}

void edit(int l, int r) {
  while (cl > l) add(--cl);
  while (cr < r) add(++cr);
  while (cl < l) rem(cl++);
  while (cr > r) rem(cr--);
}

long long solve(int l, int r, int optl, int optr) {
  if (l > r) {
    return -LLONG_MAX;
  }
  int mid = (l + r) >> 1;
  long long ret = -LLONG_MAX;
  int opt = -1; 
  for (int i = min(mid, optr); i >= optl; --i) {
    edit(i, mid);
    if ((int) se2.size() == k) {
      long long val = pref[mid] - pref[i - 1] + s2;
      if (val >= ret) {
        ret = val;
        opt = i;
      }
    }
  }
  ret = max(ret, solve(l, mid - 1, optl, opt));
  ret = max(ret, solve(mid + 1, r, opt, optr));
  return ret; 
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  cin >> n >> k;
  for (int i = 1; i <= n; ++i) {
    cin >> c[i]; 
    pref[i] = pref[i - 1] - c[i];
  }
  for (int i = 1; i <= n; ++i) {
    cin >> s[i];
  }
  cl = 1, cr = 0;
  cout << solve(k, n, 1, n) << '\n';
  return 0;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Partially correct
2 Partially correct 0 ms 348 KB Partially correct

Subtask #1
5.0 / 10.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB Partially correct
2 Partially correct 0 ms 604 KB Partially correct
3 Partially correct 0 ms 348 KB Partially correct
4 Partially correct 1 ms 348 KB Partially correct
5 Partially correct 0 ms 348 KB Partially correct
6 Partially correct 1 ms 344 KB Partially correct
7 Partially correct 1 ms 348 KB Partially correct
8 Partially correct 1 ms 348 KB Partially correct
9 Partially correct 1 ms 348 KB Partially correct
10 Partially correct 1 ms 348 KB Partially correct
11 Partially correct 1 ms 348 KB Partially correct

Subtask #2
5.0 / 10.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB Partially correct
2 Partially correct 0 ms 604 KB Partially correct
3 Partially correct 0 ms 348 KB Partially correct
4 Partially correct 1 ms 348 KB Partially correct
5 Partially correct 0 ms 348 KB Partially correct
6 Partially correct 1 ms 344 KB Partially correct
7 Partially correct 1 ms 348 KB Partially correct
8 Partially correct 1 ms 348 KB Partially correct
9 Partially correct 1 ms 348 KB Partially correct
10 Partially correct 1 ms 348 KB Partially correct
11 Partially correct 1 ms 348 KB Partially correct
12 Partially correct 0 ms 348 KB Partially correct
13 Partially correct 0 ms 348 KB Partially correct
14 Partially correct 1 ms 348 KB Partially correct
15 Partially correct 1 ms 348 KB Partially correct
16 Partially correct 1 ms 468 KB Partially correct
17 Partially correct 1 ms 600 KB Partially correct
18 Partially correct 1 ms 348 KB Partially correct
19 Partially correct 1 ms 348 KB Partially correct
20 Partially correct 1 ms 348 KB Partially correct
21 Partially correct 1 ms 344 KB Partially correct
22 Partially correct 1 ms 348 KB Partially correct
23 Partially correct 4 ms 936 KB Partially correct
24 Partially correct 13 ms 604 KB Partially correct
25 Partially correct 26 ms 600 KB Partially correct
26 Partially correct 22 ms 600 KB Partially correct
27 Partially correct 18 ms 600 KB Partially correct
28 Partially correct 10 ms 600 KB Partially correct
29 Partially correct 22 ms 604 KB Partially correct

Subtask #3
5.0 / 10.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB Partially correct
2 Partially correct 466 ms 11072 KB Partially correct
3 Partially correct 692 ms 13140 KB Partially correct
4 Partially correct 837 ms 13140 KB Partially correct
5 Partially correct 858 ms 13164 KB Partially correct
6 Partially correct 767 ms 12628 KB Partially correct
7 Partially correct 2121 ms 18136 KB Partially correct
8 Partially correct 739 ms 13140 KB Partially correct
9 Partially correct 669 ms 11684 KB Partially correct
10 Partially correct 664 ms 12316 KB Partially correct

Subtask #4
10.0 / 25.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 344 KB Partially correct
2 Partially correct 466 ms 11072 KB Partially correct
3 Partially correct 692 ms 13140 KB Partially correct
4 Partially correct 837 ms 13140 KB Partially correct
5 Partially correct 858 ms 13164 KB Partially correct
6 Partially correct 767 ms 12628 KB Partially correct
7 Partially correct 2121 ms 18136 KB Partially correct
8 Partially correct 739 ms 13140 KB Partially correct
9 Partially correct 669 ms 11684 KB Partially correct
10 Partially correct 664 ms 12316 KB Partially correct
11 Partially correct 0 ms 348 KB Partially correct
12 Partially correct 475 ms 11144 KB Partially correct
13 Partially correct 675 ms 13136 KB Partially correct
14 Partially correct 827 ms 13136 KB Partially correct
15 Partially correct 851 ms 13136 KB Partially correct
16 Partially correct 761 ms 12628 KB Partially correct
17 Partially correct 1978 ms 18260 KB Partially correct
18 Partially correct 763 ms 13136 KB Partially correct
19 Partially correct 693 ms 11692 KB Partially correct
20 Partially correct 673 ms 12316 KB Partially correct
21 Partially correct 0 ms 348 KB Partially correct
22 Partially correct 0 ms 348 KB Partially correct
23 Partially correct 1 ms 348 KB Partially correct
24 Partially correct 0 ms 348 KB Partially correct
25 Partially correct 1 ms 344 KB Partially correct
26 Partially correct 2 ms 344 KB Partially correct
27 Partially correct 1 ms 348 KB Partially correct
28 Partially correct 1 ms 348 KB Partially correct
29 Partially correct 1 ms 344 KB Partially correct
30 Partially correct 1 ms 348 KB Partially correct
31 Partially correct 1328 ms 13220 KB Partially correct
32 Partially correct 853 ms 12984 KB Partially correct
33 Partially correct 1584 ms 12624 KB Partially correct
34 Partially correct 1546 ms 12628 KB Partially correct
35 Partially correct 1449 ms 12492 KB Partially correct
36 Partially correct 2577 ms 17404 KB Partially correct
37 Partially correct 1014 ms 11216 KB Partially correct

Subtask #5
25.0 / 45.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Partially correct
2 Partially correct 0 ms 348 KB Partially correct
3 Partially correct 1 ms 344 KB Partially correct
4 Partially correct 0 ms 604 KB Partially correct
5 Partially correct 0 ms 348 KB Partially correct
6 Partially correct 1 ms 348 KB Partially correct
7 Partially correct 0 ms 348 KB Partially correct
8 Partially correct 1 ms 344 KB Partially correct
9 Partially correct 1 ms 348 KB Partially correct
10 Partially correct 1 ms 348 KB Partially correct
11 Partially correct 1 ms 348 KB Partially correct
12 Partially correct 1 ms 348 KB Partially correct
13 Partially correct 1 ms 348 KB Partially correct
14 Partially correct 0 ms 348 KB Partially correct
15 Partially correct 0 ms 348 KB Partially correct
16 Partially correct 1 ms 348 KB Partially correct
17 Partially correct 1 ms 348 KB Partially correct
18 Partially correct 1 ms 468 KB Partially correct
19 Partially correct 1 ms 600 KB Partially correct
20 Partially correct 1 ms 348 KB Partially correct
21 Partially correct 1 ms 348 KB Partially correct
22 Partially correct 1 ms 348 KB Partially correct
23 Partially correct 1 ms 344 KB Partially correct
24 Partially correct 1 ms 348 KB Partially correct
25 Partially correct 4 ms 936 KB Partially correct
26 Partially correct 13 ms 604 KB Partially correct
27 Partially correct 26 ms 600 KB Partially correct
28 Partially correct 22 ms 600 KB Partially correct
29 Partially correct 18 ms 600 KB Partially correct
30 Partially correct 10 ms 600 KB Partially correct
31 Partially correct 22 ms 604 KB Partially correct
32 Partially correct 1 ms 344 KB Partially correct
33 Partially correct 466 ms 11072 KB Partially correct
34 Partially correct 692 ms 13140 KB Partially correct
35 Partially correct 837 ms 13140 KB Partially correct
36 Partially correct 858 ms 13164 KB Partially correct
37 Partially correct 767 ms 12628 KB Partially correct
38 Partially correct 2121 ms 18136 KB Partially correct
39 Partially correct 739 ms 13140 KB Partially correct
40 Partially correct 669 ms 11684 KB Partially correct
41 Partially correct 664 ms 12316 KB Partially correct
42 Partially correct 0 ms 348 KB Partially correct
43 Partially correct 475 ms 11144 KB Partially correct
44 Partially correct 675 ms 13136 KB Partially correct
45 Partially correct 827 ms 13136 KB Partially correct
46 Partially correct 851 ms 13136 KB Partially correct
47 Partially correct 761 ms 12628 KB Partially correct
48 Partially correct 1978 ms 18260 KB Partially correct
49 Partially correct 763 ms 13136 KB Partially correct
50 Partially correct 693 ms 11692 KB Partially correct
51 Partially correct 673 ms 12316 KB Partially correct
52 Partially correct 0 ms 348 KB Partially correct
53 Partially correct 0 ms 348 KB Partially correct
54 Partially correct 1 ms 348 KB Partially correct
55 Partially correct 0 ms 348 KB Partially correct
56 Partially correct 1 ms 344 KB Partially correct
57 Partially correct 2 ms 344 KB Partially correct
58 Partially correct 1 ms 348 KB Partially correct
59 Partially correct 1 ms 348 KB Partially correct
60 Partially correct 1 ms 344 KB Partially correct
61 Partially correct 1 ms 348 KB Partially correct
62 Partially correct 1328 ms 13220 KB Partially correct
63 Partially correct 853 ms 12984 KB Partially correct
64 Partially correct 1584 ms 12624 KB Partially correct
65 Partially correct 1546 ms 12628 KB Partially correct
66 Partially correct 1449 ms 12492 KB Partially correct
67 Partially correct 2577 ms 17404 KB Partially correct
68 Partially correct 1014 ms 11216 KB Partially correct
69 Partially correct 1 ms 348 KB Partially correct
70 Partially correct 514 ms 11200 KB Partially correct
71 Partially correct 733 ms 13324 KB Partially correct
72 Partially correct 875 ms 13156 KB Partially correct
73 Partially correct 861 ms 13140 KB Partially correct
74 Partially correct 785 ms 12624 KB Partially correct
75 Partially correct 2263 ms 18084 KB Partially correct
76 Partially correct 807 ms 13256 KB Partially correct
77 Partially correct 747 ms 11680 KB Partially correct
78 Partially correct 714 ms 12316 KB Partially correct
79 Partially correct 0 ms 344 KB Partially correct
80 Partially correct 1 ms 348 KB Partially correct
81 Partially correct 1 ms 348 KB Partially correct
82 Partially correct 0 ms 348 KB Partially correct
83 Partially correct 1 ms 348 KB Partially correct
84 Partially correct 1 ms 348 KB Partially correct
85 Partially correct 1 ms 344 KB Partially correct
86 Partially correct 1 ms 348 KB Partially correct
87 Partially correct 1 ms 348 KB Partially correct
88 Partially correct 1 ms 348 KB Partially correct
89 Partially correct 1409 ms 13184 KB Partially correct
90 Partially correct 969 ms 13136 KB Partially correct
91 Partially correct 1819 ms 12840 KB Partially correct
92 Partially correct 1691 ms 12632 KB Partially correct
93 Partially correct 1613 ms 12488 KB Partially correct
94 Partially correct 2946 ms 17492 KB Partially correct
95 Partially correct 1031 ms 11208 KB Partially correct
96 Partially correct 4 ms 860 KB Partially correct
97 Partially correct 22 ms 784 KB Partially correct
98 Partially correct 25 ms 604 KB Partially correct
99 Partially correct 29 ms 604 KB Partially correct
100 Partially correct 18 ms 856 KB Partially correct
101 Partially correct 11 ms 604 KB Partially correct
102 Partially correct 31 ms 736 KB Partially correct
103 Partially correct 3564 ms 17992 KB Partially correct
104 Partially correct 1729 ms 12420 KB Partially correct
105 Partially correct 1746 ms 12624 KB Partially correct
106 Partially correct 2477 ms 13996 KB Partially correct
107 Partially correct 2453 ms 18392 KB Partially correct
108 Partially correct 3640 ms 16888 KB Partially correct
109 Partially correct 2325 ms 16228 KB Partially correct
110 Partially correct 3355 ms 17524 KB Partially correct
111 Partially correct 1031 ms 16464 KB Partially correct
112 Partially correct 2241 ms 14672 KB Partially correct