oj.uz

Submission #835204

# Submission time Handle Problem Language Result Execution time Memory
835204 2023-08-23T10:22:24 Z SamAnd Catfish Farm (IOI22_fish) C++17
100 / 100
 120 ms 36460 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
typedef long long ll;
const int N = 100005;

int n, m;
vector<pair<int, int> > v[N];
vector<ll> dp0[N], dp1[N];

long long max_weights(int NN, int MM, std::vector<int> XX, std::vector<int> YY, std::vector<int> WW)
{
    n = NN;
    m = MM;
    for (int i = 0; i < m; ++i)
    {
        v[XX[i] + 1].push_back(m_p(YY[i], WW[i]));
    }
    v[0].push_back(m_p(0, 0));
    for (int i = 1; i <= n; ++i)
    {
        sort(all(v[i]));
        v[i].push_back(m_p(n, 0));
    }

    dp0[0].push_back(0);
    dp1[0].push_back(0);
    for (int i = 1; i <= n; ++i)
    {
        ll maxu = 0;
        for (int j = 0; j < sz(v[i - 1]); ++j)
        {
            maxu = max(maxu, dp0[i - 1][j]);
        }
        dp0[i].assign(sz(v[i]), maxu);
        dp1[i].assign(sz(v[i]), maxu);

        vector<ll> p;
        p.assign(sz(v[i]), 0);
        p[0] = v[i][0].se;
        for (int j = 1; j < sz(v[i]); ++j)
            p[j] = p[j - 1] + v[i][j].se;

        int k = sz(v[i - 1]) - 1;
        maxu = 0;
        for (int j = sz(v[i]) - 1; j >= 0; --j)
        {
            while (k >= 0 && v[i - 1][k].fi > v[i][j].fi)
            {
                maxu = max(maxu, p[j] + dp0[i - 1][k]);
                --k;
            }
            if (j)
                dp0[i][j] = max(dp0[i][j], maxu - p[j - 1]);
            else
                dp0[i][j] = max(dp0[i][j], maxu);
        }

        k = 0;
        maxu = 0;
        ll pp = 0;
        for (int j = 0; j < sz(v[i]); ++j)
        {
            while (k < sz(v[i - 1]) && v[i - 1][k].fi < v[i][j].fi)
            {
                maxu = max(maxu, dp1[i - 1][k] - pp);
                pp += v[i - 1][k].se;
                ++k;
            }
            dp1[i][j] = max(dp1[i][j], pp + maxu);
        }

        for (int j = 0; j < sz(v[i]); ++j)
            dp0[i][j] = max(dp0[i][j], dp1[i][j]);
    }

    ll ans = 0;
    for (int j = 0; j < sz(v[n]); ++j)
    {
        ans = max(ans, dp0[n][j]);
    }
    return ans;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 19576 KB Output is correct
2 Correct 47 ms 21344 KB Output is correct
3 Correct 17 ms 16676 KB Output is correct
4 Correct 16 ms 16724 KB Output is correct
5 Correct 108 ms 31116 KB Output is correct
6 Correct 120 ms 30324 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 66 ms 23364 KB Output is correct
3 Correct 79 ms 26108 KB Output is correct
4 Correct 40 ms 19492 KB Output is correct
5 Correct 49 ms 21372 KB Output is correct
6 Correct 3 ms 7252 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 3 ms 7252 KB Output is correct
9 Correct 3 ms 7304 KB Output is correct
10 Correct 17 ms 16736 KB Output is correct
11 Correct 16 ms 16740 KB Output is correct
12 Correct 38 ms 19560 KB Output is correct
13 Correct 45 ms 21432 KB Output is correct
14 Correct 40 ms 19600 KB Output is correct
15 Correct 44 ms 20928 KB Output is correct
16 Correct 41 ms 19624 KB Output is correct
17 Correct 45 ms 20836 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 16744 KB Output is correct
2 Correct 22 ms 16620 KB Output is correct
3 Correct 35 ms 16936 KB Output is correct
4 Correct 27 ms 18128 KB Output is correct
5 Correct 48 ms 20592 KB Output is correct
6 Correct 44 ms 20032 KB Output is correct
7 Correct 45 ms 20620 KB Output is correct
8 Correct 57 ms 20572 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 3 ms 7260 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 3 ms 7252 KB Output is correct
6 Correct 3 ms 7252 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 3 ms 7252 KB Output is correct
9 Correct 3 ms 7380 KB Output is correct
10 Correct 4 ms 7536 KB Output is correct
11 Correct 4 ms 7380 KB Output is correct
12 Correct 4 ms 7380 KB Output is correct
13 Correct 5 ms 7252 KB Output is correct
14 Correct 5 ms 7336 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 3 ms 7260 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 3 ms 7252 KB Output is correct
6 Correct 3 ms 7252 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 3 ms 7252 KB Output is correct
9 Correct 3 ms 7380 KB Output is correct
10 Correct 4 ms 7536 KB Output is correct
11 Correct 4 ms 7380 KB Output is correct
12 Correct 4 ms 7380 KB Output is correct
13 Correct 5 ms 7252 KB Output is correct
14 Correct 5 ms 7336 KB Output is correct
15 Correct 3 ms 7344 KB Output is correct
16 Correct 4 ms 7488 KB Output is correct
17 Correct 16 ms 10316 KB Output is correct
18 Correct 16 ms 10560 KB Output is correct
19 Correct 16 ms 10644 KB Output is correct
20 Correct 18 ms 10556 KB Output is correct
21 Correct 15 ms 10436 KB Output is correct
22 Correct 28 ms 13628 KB Output is correct
23 Correct 8 ms 8068 KB Output is correct
24 Correct 14 ms 9300 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 5 ms 7868 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 3 ms 7260 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 3 ms 7252 KB Output is correct
6 Correct 3 ms 7252 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 3 ms 7252 KB Output is correct
9 Correct 3 ms 7380 KB Output is correct
10 Correct 4 ms 7536 KB Output is correct
11 Correct 4 ms 7380 KB Output is correct
12 Correct 4 ms 7380 KB Output is correct
13 Correct 5 ms 7252 KB Output is correct
14 Correct 5 ms 7336 KB Output is correct
15 Correct 3 ms 7344 KB Output is correct
16 Correct 4 ms 7488 KB Output is correct
17 Correct 16 ms 10316 KB Output is correct
18 Correct 16 ms 10560 KB Output is correct
19 Correct 16 ms 10644 KB Output is correct
20 Correct 18 ms 10556 KB Output is correct
21 Correct 15 ms 10436 KB Output is correct
22 Correct 28 ms 13628 KB Output is correct
23 Correct 8 ms 8068 KB Output is correct
24 Correct 14 ms 9300 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 5 ms 7868 KB Output is correct
27 Correct 5 ms 7688 KB Output is correct
28 Correct 63 ms 22660 KB Output is correct
29 Correct 91 ms 28332 KB Output is correct
30 Correct 90 ms 27992 KB Output is correct
31 Correct 93 ms 28000 KB Output is correct
32 Correct 87 ms 28876 KB Output is correct
33 Correct 89 ms 28024 KB Output is correct
34 Correct 90 ms 27992 KB Output is correct
35 Correct 37 ms 15436 KB Output is correct
36 Correct 89 ms 28504 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 16744 KB Output is correct
2 Correct 22 ms 16620 KB Output is correct
3 Correct 35 ms 16936 KB Output is correct
4 Correct 27 ms 18128 KB Output is correct
5 Correct 48 ms 20592 KB Output is correct
6 Correct 44 ms 20032 KB Output is correct
7 Correct 45 ms 20620 KB Output is correct
8 Correct 57 ms 20572 KB Output is correct
9 Correct 41 ms 20404 KB Output is correct
10 Correct 50 ms 17100 KB Output is correct
11 Correct 79 ms 26976 KB Output is correct
12 Correct 3 ms 7352 KB Output is correct
13 Correct 3 ms 7352 KB Output is correct
14 Correct 3 ms 7252 KB Output is correct
15 Correct 4 ms 7344 KB Output is correct
16 Correct 3 ms 7252 KB Output is correct
17 Correct 3 ms 7348 KB Output is correct
18 Correct 15 ms 16628 KB Output is correct
19 Correct 16 ms 16692 KB Output is correct
20 Correct 21 ms 16748 KB Output is correct
21 Correct 16 ms 16724 KB Output is correct
22 Correct 49 ms 21692 KB Output is correct
23 Correct 80 ms 26952 KB Output is correct
24 Correct 81 ms 27468 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 19576 KB Output is correct
2 Correct 47 ms 21344 KB Output is correct
3 Correct 17 ms 16676 KB Output is correct
4 Correct 16 ms 16724 KB Output is correct
5 Correct 108 ms 31116 KB Output is correct
6 Correct 120 ms 30324 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 66 ms 23364 KB Output is correct
9 Correct 79 ms 26108 KB Output is correct
10 Correct 40 ms 19492 KB Output is correct
11 Correct 49 ms 21372 KB Output is correct
12 Correct 3 ms 7252 KB Output is correct
13 Correct 3 ms 7252 KB Output is correct
14 Correct 3 ms 7252 KB Output is correct
15 Correct 3 ms 7304 KB Output is correct
16 Correct 17 ms 16736 KB Output is correct
17 Correct 16 ms 16740 KB Output is correct
18 Correct 38 ms 19560 KB Output is correct
19 Correct 45 ms 21432 KB Output is correct
20 Correct 40 ms 19600 KB Output is correct
21 Correct 44 ms 20928 KB Output is correct
22 Correct 41 ms 19624 KB Output is correct
23 Correct 45 ms 20836 KB Output is correct
24 Correct 21 ms 16744 KB Output is correct
25 Correct 22 ms 16620 KB Output is correct
26 Correct 35 ms 16936 KB Output is correct
27 Correct 27 ms 18128 KB Output is correct
28 Correct 48 ms 20592 KB Output is correct
29 Correct 44 ms 20032 KB Output is correct
30 Correct 45 ms 20620 KB Output is correct
31 Correct 57 ms 20572 KB Output is correct
32 Correct 3 ms 7252 KB Output is correct
33 Correct 3 ms 7252 KB Output is correct
34 Correct 3 ms 7260 KB Output is correct
35 Correct 3 ms 7252 KB Output is correct
36 Correct 3 ms 7252 KB Output is correct
37 Correct 3 ms 7252 KB Output is correct
38 Correct 3 ms 7252 KB Output is correct
39 Correct 3 ms 7252 KB Output is correct
40 Correct 3 ms 7380 KB Output is correct
41 Correct 4 ms 7536 KB Output is correct
42 Correct 4 ms 7380 KB Output is correct
43 Correct 4 ms 7380 KB Output is correct
44 Correct 5 ms 7252 KB Output is correct
45 Correct 5 ms 7336 KB Output is correct
46 Correct 3 ms 7344 KB Output is correct
47 Correct 4 ms 7488 KB Output is correct
48 Correct 16 ms 10316 KB Output is correct
49 Correct 16 ms 10560 KB Output is correct
50 Correct 16 ms 10644 KB Output is correct
51 Correct 18 ms 10556 KB Output is correct
52 Correct 15 ms 10436 KB Output is correct
53 Correct 28 ms 13628 KB Output is correct
54 Correct 8 ms 8068 KB Output is correct
55 Correct 14 ms 9300 KB Output is correct
56 Correct 4 ms 7380 KB Output is correct
57 Correct 5 ms 7868 KB Output is correct
58 Correct 5 ms 7688 KB Output is correct
59 Correct 63 ms 22660 KB Output is correct
60 Correct 91 ms 28332 KB Output is correct
61 Correct 90 ms 27992 KB Output is correct
62 Correct 93 ms 28000 KB Output is correct
63 Correct 87 ms 28876 KB Output is correct
64 Correct 89 ms 28024 KB Output is correct
65 Correct 90 ms 27992 KB Output is correct
66 Correct 37 ms 15436 KB Output is correct
67 Correct 89 ms 28504 KB Output is correct
68 Correct 41 ms 20404 KB Output is correct
69 Correct 50 ms 17100 KB Output is correct
70 Correct 79 ms 26976 KB Output is correct
71 Correct 3 ms 7352 KB Output is correct
72 Correct 3 ms 7352 KB Output is correct
73 Correct 3 ms 7252 KB Output is correct
74 Correct 4 ms 7344 KB Output is correct
75 Correct 3 ms 7252 KB Output is correct
76 Correct 3 ms 7348 KB Output is correct
77 Correct 15 ms 16628 KB Output is correct
78 Correct 16 ms 16692 KB Output is correct
79 Correct 21 ms 16748 KB Output is correct
80 Correct 16 ms 16724 KB Output is correct
81 Correct 49 ms 21692 KB Output is correct
82 Correct 80 ms 26952 KB Output is correct
83 Correct 81 ms 27468 KB Output is correct
84 Correct 108 ms 36260 KB Output is correct
85 Correct 109 ms 36460 KB Output is correct
86 Correct 111 ms 34252 KB Output is correct
87 Correct 119 ms 35204 KB Output is correct
88 Correct 3 ms 7252 KB Output is correct
89 Correct 117 ms 35164 KB Output is correct
90 Correct 116 ms 35672 KB Output is correct
91 Correct 110 ms 36228 KB Output is correct