oj.uz

Submission #922315

# Submission time Handle Problem Language Result Execution time Memory
922315 2024-02-05T12:00:51 Z AkibAzmain Catfish Farm (IOI22_fish) C++17
100 / 100
 899 ms 53740 KB 
#include "fish.h"

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

long long max_weights(int n, int m, std::vector<int> fx, std::vector<int> fy,
                      std::vector<int> fw)
{
  n += 2;
  vector < map < int, ll > > a (n);
  for (int i = 0; i < m; ++i) a[fx[i] + 1][fy[i]] += fw[i];
  ll mxdp = 0;
  vector < vector < pair < int, ll > > > p (3), q (2), dp (3);
  map < int, int > is;
  for (auto &x : a[1]) ++is[x.first];
  for (int i = 2; i < n; ++i)
    {
      for (auto &x : a[i]) ++is[x.first];
      if (i - 3 >= 1)
        for (auto &x : a[i - 3])
          {
            --is[x.first];
            if (!is[x.first]) is.erase (is.find (x.first));
          }
      ll ls = 0, rs = 0, ms = 0;
      ll mxp = -1e18, mxq = -1e18;
      ll id = -1;
      stack < int > st;
      auto itp = p[2].begin ();
      auto itq = q[1].begin ();
      for (auto &[x, tmp] : is)
        {
          st.push (x);
          ls += a[i - 2].count (x) ? a[i - 2][x] : 0ll;
          ms += a[i - 1].count (x) ? a[i - 1][x] : 0ll;
          rs += a[i].count (x) ? a[i][x] : 0ll;
          if (a[i].count (x) + a[i - 2].count (x) == 0) continue;
          dp[0].push_back ({ x, 0 });
          p[0].push_back ({ x, 0 });
          q[0].push_back ({ x, 0 });
          ++id;
          dp[0][id].second = ls + rs + mxdp;
          while (itp != p[2].end () && itp->first <= x)
            mxp = max (mxp, itp->second), ++itp;
          while (itq != q[1].end () && itq->first <= x)
            mxq = max (mxq, itq->second), ++itq;
          dp[0][id].second = max (dp[0][id].second, ls + rs + mxp);
          dp[0][id].second = max (dp[0][id].second, ls + rs + mxq);
        }
      mxp = -1e18, mxq = -1e18;
      auto ritp = dp[2].rbegin (), ritq = dp[1].rbegin ();
      while (st.size ())
        {
          int x = st.top ();
          st.pop ();
          if (a[i].count (x) + a[i - 2].count (x) == 0) goto cont;
          while (ritp != dp[2].rend () && ritp->first >= x)
            mxp = max (mxp, ritp->second), ++ritp;
          while (ritq != dp[1].rend () && ritq->first >= x)
            mxq = max (mxq, ritq->second), ++ritq;
          dp[0][id].second = max (dp[0][id].second, rs + mxp);
          q[0][id].second = dp[0][id].second - ms - rs;
          dp[0][id].second = max (dp[0][id].second, rs + mxq - ms);
          p[0][id].second = dp[0][id].second - rs;
          --id;
        cont:
          ls -= a[i - 2].count (x) ? a[i - 2][x] : 0ll;
          ms -= a[i - 1].count (x) ? a[i - 1][x] : 0ll;
          rs -= a[i].count (x) ? a[i][x] : 0ll;
        }
      swap (p[2], p[1]);
      swap (p[1], p[0]);
      p[0].clear ();
      swap (q[1], q[0]);
      q[0].clear ();
      swap (dp[2], dp[1]);
      swap (dp[1], dp[0]);
      for (auto &x : dp[0]) mxdp = max (mxdp, x.second);
      dp[0].clear ();
    }
  for (int i = 1; i <= 2; ++i) for (auto &x : dp[i]) mxdp = max (mxdp, x.second);
  return mxdp;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 21400 KB Output is correct
2 Correct 194 ms 25176 KB Output is correct
3 Correct 5 ms 5112 KB Output is correct
4 Correct 7 ms 4956 KB Output is correct
5 Correct 865 ms 53740 KB Output is correct
6 Correct 481 ms 37832 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 363 ms 38608 KB Output is correct
3 Correct 480 ms 44852 KB Output is correct
4 Correct 143 ms 21204 KB Output is correct
5 Correct 167 ms 25232 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 5 ms 4956 KB Output is correct
11 Correct 7 ms 4956 KB Output is correct
12 Correct 163 ms 25552 KB Output is correct
13 Correct 232 ms 29904 KB Output is correct
14 Correct 155 ms 21996 KB Output is correct
15 Correct 165 ms 23516 KB Output is correct
16 Correct 138 ms 22448 KB Output is correct
17 Correct 180 ms 24692 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 5 ms 4956 KB Output is correct
3 Correct 27 ms 10076 KB Output is correct
4 Correct 22 ms 8676 KB Output is correct
5 Correct 54 ms 15364 KB Output is correct
6 Correct 50 ms 14672 KB Output is correct
7 Correct 47 ms 15184 KB Output is correct
8 Correct 63 ms 15296 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 448 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 444 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 448 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 444 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 688 KB Output is correct
17 Correct 61 ms 5252 KB Output is correct
18 Correct 58 ms 5164 KB Output is correct
19 Correct 55 ms 4944 KB Output is correct
20 Correct 60 ms 4952 KB Output is correct
21 Correct 53 ms 4956 KB Output is correct
22 Correct 119 ms 9820 KB Output is correct
23 Correct 15 ms 1372 KB Output is correct
24 Correct 52 ms 3568 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 13 ms 1224 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 448 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 444 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 688 KB Output is correct
17 Correct 61 ms 5252 KB Output is correct
18 Correct 58 ms 5164 KB Output is correct
19 Correct 55 ms 4944 KB Output is correct
20 Correct 60 ms 4952 KB Output is correct
21 Correct 53 ms 4956 KB Output is correct
22 Correct 119 ms 9820 KB Output is correct
23 Correct 15 ms 1372 KB Output is correct
24 Correct 52 ms 3568 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 13 ms 1224 KB Output is correct
27 Correct 2 ms 860 KB Output is correct
28 Correct 364 ms 22980 KB Output is correct
29 Correct 574 ms 32600 KB Output is correct
30 Correct 718 ms 32068 KB Output is correct
31 Correct 691 ms 32208 KB Output is correct
32 Correct 574 ms 31516 KB Output is correct
33 Correct 658 ms 32068 KB Output is correct
34 Correct 701 ms 32068 KB Output is correct
35 Correct 176 ms 12524 KB Output is correct
36 Correct 686 ms 32148 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 5 ms 4956 KB Output is correct
3 Correct 27 ms 10076 KB Output is correct
4 Correct 22 ms 8676 KB Output is correct
5 Correct 54 ms 15364 KB Output is correct
6 Correct 50 ms 14672 KB Output is correct
7 Correct 47 ms 15184 KB Output is correct
8 Correct 63 ms 15296 KB Output is correct
9 Correct 52 ms 14928 KB Output is correct
10 Correct 53 ms 12880 KB Output is correct
11 Correct 132 ms 25800 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 5 ms 4956 KB Output is correct
19 Correct 5 ms 4956 KB Output is correct
20 Correct 5 ms 4956 KB Output is correct
21 Correct 5 ms 4956 KB Output is correct
22 Correct 100 ms 15832 KB Output is correct
23 Correct 203 ms 26052 KB Output is correct
24 Correct 145 ms 26272 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 21400 KB Output is correct
2 Correct 194 ms 25176 KB Output is correct
3 Correct 5 ms 5112 KB Output is correct
4 Correct 7 ms 4956 KB Output is correct
5 Correct 865 ms 53740 KB Output is correct
6 Correct 481 ms 37832 KB Output is correct
7 Correct 0 ms 604 KB Output is correct
8 Correct 363 ms 38608 KB Output is correct
9 Correct 480 ms 44852 KB Output is correct
10 Correct 143 ms 21204 KB Output is correct
11 Correct 167 ms 25232 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 5 ms 4956 KB Output is correct
17 Correct 7 ms 4956 KB Output is correct
18 Correct 163 ms 25552 KB Output is correct
19 Correct 232 ms 29904 KB Output is correct
20 Correct 155 ms 21996 KB Output is correct
21 Correct 165 ms 23516 KB Output is correct
22 Correct 138 ms 22448 KB Output is correct
23 Correct 180 ms 24692 KB Output is correct
24 Correct 5 ms 4952 KB Output is correct
25 Correct 5 ms 4956 KB Output is correct
26 Correct 27 ms 10076 KB Output is correct
27 Correct 22 ms 8676 KB Output is correct
28 Correct 54 ms 15364 KB Output is correct
29 Correct 50 ms 14672 KB Output is correct
30 Correct 47 ms 15184 KB Output is correct
31 Correct 63 ms 15296 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 448 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 444 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 3 ms 688 KB Output is correct
48 Correct 61 ms 5252 KB Output is correct
49 Correct 58 ms 5164 KB Output is correct
50 Correct 55 ms 4944 KB Output is correct
51 Correct 60 ms 4952 KB Output is correct
52 Correct 53 ms 4956 KB Output is correct
53 Correct 119 ms 9820 KB Output is correct
54 Correct 15 ms 1372 KB Output is correct
55 Correct 52 ms 3568 KB Output is correct
56 Correct 2 ms 348 KB Output is correct
57 Correct 13 ms 1224 KB Output is correct
58 Correct 2 ms 860 KB Output is correct
59 Correct 364 ms 22980 KB Output is correct
60 Correct 574 ms 32600 KB Output is correct
61 Correct 718 ms 32068 KB Output is correct
62 Correct 691 ms 32208 KB Output is correct
63 Correct 574 ms 31516 KB Output is correct
64 Correct 658 ms 32068 KB Output is correct
65 Correct 701 ms 32068 KB Output is correct
66 Correct 176 ms 12524 KB Output is correct
67 Correct 686 ms 32148 KB Output is correct
68 Correct 52 ms 14928 KB Output is correct
69 Correct 53 ms 12880 KB Output is correct
70 Correct 132 ms 25800 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 5 ms 4956 KB Output is correct
78 Correct 5 ms 4956 KB Output is correct
79 Correct 5 ms 4956 KB Output is correct
80 Correct 5 ms 4956 KB Output is correct
81 Correct 100 ms 15832 KB Output is correct
82 Correct 203 ms 26052 KB Output is correct
83 Correct 145 ms 26272 KB Output is correct
84 Correct 899 ms 43128 KB Output is correct
85 Correct 839 ms 44172 KB Output is correct
86 Correct 459 ms 36524 KB Output is correct
87 Correct 397 ms 37204 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 396 ms 37304 KB Output is correct
90 Correct 422 ms 36296 KB Output is correct
91 Correct 347 ms 36056 KB Output is correct