oj.uz

Submission #643364

# Submission time Handle Problem Language Result Execution time Memory
643364 2022-09-21T21:57:21 Z Ronin13 Catfish Farm (IOI22_fish) C++17
100 / 100
 316 ms 72308 KB 
#include "fish.h"
#include <bits/stdc++.h>
#include <vector>
#define ll long long
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
#define ull unsigned ll
using namespace std;
const int NMAX = 1e5 + 5;

vector <vector <ll> > DP(NMAX);
vector <vector <ll> > dp(NMAX);
vector <vector <ll> > p(NMAX);
vector <vector <ll> > pmax(NMAX);
vector <vector <ll> > smax(NMAX);
vector <vector <pll> > vec(NMAX);
vector <vector <int> > vec1(NMAX);


long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,std::vector<int> W) {
    int n = N, m = M;
    vector <int> x = X, y = Y, w = W;
    for(int i = 0; i < m; i++){
        vec[x[i] + 1].pb({y[i] + 1, w[i]});
        vec1[x[i] + 1].pb(y[i] + 1);
    }
    for(int i = 1; i <= n; i++){
        vec[i].pb({0, 0});
        vec[i].pb({n + 1, 0});
        vec1[i].pb(0);
        vec1[i].pb(n + 1);
        sort(vec1[i].begin(), vec1[i].end());
        sort(vec[i].begin(), vec[i].end());
        dp[i].resize(vec[i].size());
        DP[i].resize(vec[i].size());
        p[i].resize(vec[i].size());
        pmax[i].resize(vec[i].size());
        smax[i].resize(vec[i].size());
        p[i][0] = 0;
        for(int j = 1; j < vec[i].size(); j++) p[i][j] = p[i][j - 1] + vec[i][j].s;
    }
    ll ans = 0;
    for(int i = 1; i <= n; i++){
        int len = vec[i].size();
        if(i != 1){

            for(int j = 0; j < len; j++){
                int x = lower_bound(vec1[i - 1].begin(), vec1[i - 1].end(), vec1[i][j]) - vec1[i - 1].begin();
                x--;
                if(x > 0)DP[i][j] = pmax[i - 1][x] + p[i - 1][x];
                ans = max(ans, DP[i][j]);
            }
            DP[i][0] = max(DP[i][0], dp[i - 1][0]);
            ans = max(ans, dp[i - 1][0]);
            DP[i].back() = max(DP[i].back(), DP[i - 1].back());
            ans = max(ans, DP[i - 1].back());

            for(int j = 0; j < len - 1; j++){
                int x = upper_bound(vec1[i - 1].begin(), vec1[i - 1].end(), vec1[i][j]) - vec1[i -1].begin();
                if(j > 0)dp[i][j] = smax[i - 1][x] - p[i][j - 1];
                else dp[i][j] = smax[i - 1][x];
                ans = max(ans, dp[i][j]);
            }
            dp[i].back() = max(DP[i - 1].back(), dp[i - 1].back());
            dp[i].back() = max(dp[i].back(), dp[i - 1][0]);
        }
        pmax[i][0] = DP[i][0];
        for(int j= 1; j < len; j++)
            pmax[i][j] = max(DP[i][j] - p[i][j - 1], pmax[i][j - 1]);

        smax[i].back() = max(dp[i].back(), DP[i].back());
        if(!vec[i + 1].empty()) {
            int x = lower_bound(vec1[i + 1].begin(), vec1[i + 1].end(), vec1[i].back()) - vec1[i + 1].begin();
            x--;
            smax[i].back() += p[i + 1][x];
        }
        for(int j = len - 2; j >= 0; j--){
            smax[i][j] = max(dp[i][j], DP[i][j]);
            int x = lower_bound(vec1[i + 1].begin(), vec1[i + 1].end(), vec1[i][j]) - vec1[i + 1].begin();
            x--;
            if(x > 0){
                smax[i][j] += p[i + 1][x];
            }
            smax[i][j] = max(smax[i][j], smax[i][j +1]);
        }
    }
    /*for(int i = 1; i <= n; i++){
        for(int to : dp[i]) cout << to << ' ';
        cout << "\n";
    }
    for(int i= 1; i <= n; i++){
        for(int to : DP[i]) cout << to << ' ';
        cout << "\n";
    }*/
    return ans;
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:44:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for(int j = 1; j < vec[i].size(); j++) p[i][j] = p[i][j - 1] + vec[i][j].s;
      |                        ~~^~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 45372 KB Output is correct
2 Correct 128 ms 49620 KB Output is correct
3 Correct 64 ms 40152 KB Output is correct
4 Correct 64 ms 40104 KB Output is correct
5 Correct 212 ms 68596 KB Output is correct
6 Correct 316 ms 69992 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16724 KB Output is correct
2 Correct 155 ms 53248 KB Output is correct
3 Correct 186 ms 58980 KB Output is correct
4 Correct 112 ms 45372 KB Output is correct
5 Correct 126 ms 49552 KB Output is correct
6 Correct 8 ms 16624 KB Output is correct
7 Correct 9 ms 16724 KB Output is correct
8 Correct 9 ms 16724 KB Output is correct
9 Correct 8 ms 16724 KB Output is correct
10 Correct 68 ms 40148 KB Output is correct
11 Correct 67 ms 40224 KB Output is correct
12 Correct 104 ms 45396 KB Output is correct
13 Correct 138 ms 49592 KB Output is correct
14 Correct 111 ms 45524 KB Output is correct
15 Correct 122 ms 48692 KB Output is correct
16 Correct 113 ms 45496 KB Output is correct
17 Correct 116 ms 48616 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 40120 KB Output is correct
2 Correct 69 ms 40204 KB Output is correct
3 Correct 110 ms 41324 KB Output is correct
4 Correct 89 ms 42656 KB Output is correct
5 Correct 127 ms 46836 KB Output is correct
6 Correct 124 ms 47552 KB Output is correct
7 Correct 130 ms 48152 KB Output is correct
8 Correct 133 ms 48224 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16724 KB Output is correct
2 Correct 11 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 8 ms 16652 KB Output is correct
5 Correct 8 ms 16724 KB Output is correct
6 Correct 8 ms 16724 KB Output is correct
7 Correct 9 ms 16656 KB Output is correct
8 Correct 8 ms 16724 KB Output is correct
9 Correct 8 ms 16852 KB Output is correct
10 Correct 9 ms 16980 KB Output is correct
11 Correct 8 ms 16852 KB Output is correct
12 Correct 10 ms 16852 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 9 ms 16852 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16724 KB Output is correct
2 Correct 11 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 8 ms 16652 KB Output is correct
5 Correct 8 ms 16724 KB Output is correct
6 Correct 8 ms 16724 KB Output is correct
7 Correct 9 ms 16656 KB Output is correct
8 Correct 8 ms 16724 KB Output is correct
9 Correct 8 ms 16852 KB Output is correct
10 Correct 9 ms 16980 KB Output is correct
11 Correct 8 ms 16852 KB Output is correct
12 Correct 10 ms 16852 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 9 ms 16852 KB Output is correct
15 Correct 8 ms 16724 KB Output is correct
16 Correct 9 ms 16980 KB Output is correct
17 Correct 29 ms 21860 KB Output is correct
18 Correct 29 ms 22512 KB Output is correct
19 Correct 28 ms 22376 KB Output is correct
20 Correct 32 ms 22360 KB Output is correct
21 Correct 27 ms 22360 KB Output is correct
22 Correct 50 ms 28120 KB Output is correct
23 Correct 13 ms 17772 KB Output is correct
24 Correct 28 ms 20168 KB Output is correct
25 Correct 9 ms 16852 KB Output is correct
26 Correct 13 ms 17624 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16724 KB Output is correct
2 Correct 11 ms 16724 KB Output is correct
3 Correct 8 ms 16724 KB Output is correct
4 Correct 8 ms 16652 KB Output is correct
5 Correct 8 ms 16724 KB Output is correct
6 Correct 8 ms 16724 KB Output is correct
7 Correct 9 ms 16656 KB Output is correct
8 Correct 8 ms 16724 KB Output is correct
9 Correct 8 ms 16852 KB Output is correct
10 Correct 9 ms 16980 KB Output is correct
11 Correct 8 ms 16852 KB Output is correct
12 Correct 10 ms 16852 KB Output is correct
13 Correct 8 ms 16724 KB Output is correct
14 Correct 9 ms 16852 KB Output is correct
15 Correct 8 ms 16724 KB Output is correct
16 Correct 9 ms 16980 KB Output is correct
17 Correct 29 ms 21860 KB Output is correct
18 Correct 29 ms 22512 KB Output is correct
19 Correct 28 ms 22376 KB Output is correct
20 Correct 32 ms 22360 KB Output is correct
21 Correct 27 ms 22360 KB Output is correct
22 Correct 50 ms 28120 KB Output is correct
23 Correct 13 ms 17772 KB Output is correct
24 Correct 28 ms 20168 KB Output is correct
25 Correct 9 ms 16852 KB Output is correct
26 Correct 13 ms 17624 KB Output is correct
27 Correct 11 ms 17644 KB Output is correct
28 Correct 111 ms 43508 KB Output is correct
29 Correct 159 ms 53044 KB Output is correct
30 Correct 171 ms 52952 KB Output is correct
31 Correct 153 ms 53020 KB Output is correct
32 Correct 149 ms 54532 KB Output is correct
33 Correct 149 ms 52968 KB Output is correct
34 Correct 150 ms 52356 KB Output is correct
35 Correct 66 ms 30916 KB Output is correct
36 Correct 156 ms 52488 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 40120 KB Output is correct
2 Correct 69 ms 40204 KB Output is correct
3 Correct 110 ms 41324 KB Output is correct
4 Correct 89 ms 42656 KB Output is correct
5 Correct 127 ms 46836 KB Output is correct
6 Correct 124 ms 47552 KB Output is correct
7 Correct 130 ms 48152 KB Output is correct
8 Correct 133 ms 48224 KB Output is correct
9 Correct 131 ms 47436 KB Output is correct
10 Correct 84 ms 38860 KB Output is correct
11 Correct 202 ms 61652 KB Output is correct
12 Correct 8 ms 16724 KB Output is correct
13 Correct 10 ms 16752 KB Output is correct
14 Correct 9 ms 16712 KB Output is correct
15 Correct 11 ms 16724 KB Output is correct
16 Correct 9 ms 16636 KB Output is correct
17 Correct 8 ms 16724 KB Output is correct
18 Correct 75 ms 40196 KB Output is correct
19 Correct 68 ms 40140 KB Output is correct
20 Correct 65 ms 40196 KB Output is correct
21 Correct 63 ms 40196 KB Output is correct
22 Correct 146 ms 49860 KB Output is correct
23 Correct 180 ms 60044 KB Output is correct
24 Correct 194 ms 61796 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 45372 KB Output is correct
2 Correct 128 ms 49620 KB Output is correct
3 Correct 64 ms 40152 KB Output is correct
4 Correct 64 ms 40104 KB Output is correct
5 Correct 212 ms 68596 KB Output is correct
6 Correct 316 ms 69992 KB Output is correct
7 Correct 8 ms 16724 KB Output is correct
8 Correct 155 ms 53248 KB Output is correct
9 Correct 186 ms 58980 KB Output is correct
10 Correct 112 ms 45372 KB Output is correct
11 Correct 126 ms 49552 KB Output is correct
12 Correct 8 ms 16624 KB Output is correct
13 Correct 9 ms 16724 KB Output is correct
14 Correct 9 ms 16724 KB Output is correct
15 Correct 8 ms 16724 KB Output is correct
16 Correct 68 ms 40148 KB Output is correct
17 Correct 67 ms 40224 KB Output is correct
18 Correct 104 ms 45396 KB Output is correct
19 Correct 138 ms 49592 KB Output is correct
20 Correct 111 ms 45524 KB Output is correct
21 Correct 122 ms 48692 KB Output is correct
22 Correct 113 ms 45496 KB Output is correct
23 Correct 116 ms 48616 KB Output is correct
24 Correct 75 ms 40120 KB Output is correct
25 Correct 69 ms 40204 KB Output is correct
26 Correct 110 ms 41324 KB Output is correct
27 Correct 89 ms 42656 KB Output is correct
28 Correct 127 ms 46836 KB Output is correct
29 Correct 124 ms 47552 KB Output is correct
30 Correct 130 ms 48152 KB Output is correct
31 Correct 133 ms 48224 KB Output is correct
32 Correct 8 ms 16724 KB Output is correct
33 Correct 11 ms 16724 KB Output is correct
34 Correct 8 ms 16724 KB Output is correct
35 Correct 8 ms 16652 KB Output is correct
36 Correct 8 ms 16724 KB Output is correct
37 Correct 8 ms 16724 KB Output is correct
38 Correct 9 ms 16656 KB Output is correct
39 Correct 8 ms 16724 KB Output is correct
40 Correct 8 ms 16852 KB Output is correct
41 Correct 9 ms 16980 KB Output is correct
42 Correct 8 ms 16852 KB Output is correct
43 Correct 10 ms 16852 KB Output is correct
44 Correct 8 ms 16724 KB Output is correct
45 Correct 9 ms 16852 KB Output is correct
46 Correct 8 ms 16724 KB Output is correct
47 Correct 9 ms 16980 KB Output is correct
48 Correct 29 ms 21860 KB Output is correct
49 Correct 29 ms 22512 KB Output is correct
50 Correct 28 ms 22376 KB Output is correct
51 Correct 32 ms 22360 KB Output is correct
52 Correct 27 ms 22360 KB Output is correct
53 Correct 50 ms 28120 KB Output is correct
54 Correct 13 ms 17772 KB Output is correct
55 Correct 28 ms 20168 KB Output is correct
56 Correct 9 ms 16852 KB Output is correct
57 Correct 13 ms 17624 KB Output is correct
58 Correct 11 ms 17644 KB Output is correct
59 Correct 111 ms 43508 KB Output is correct
60 Correct 159 ms 53044 KB Output is correct
61 Correct 171 ms 52952 KB Output is correct
62 Correct 153 ms 53020 KB Output is correct
63 Correct 149 ms 54532 KB Output is correct
64 Correct 149 ms 52968 KB Output is correct
65 Correct 150 ms 52356 KB Output is correct
66 Correct 66 ms 30916 KB Output is correct
67 Correct 156 ms 52488 KB Output is correct
68 Correct 131 ms 47436 KB Output is correct
69 Correct 84 ms 38860 KB Output is correct
70 Correct 202 ms 61652 KB Output is correct
71 Correct 8 ms 16724 KB Output is correct
72 Correct 10 ms 16752 KB Output is correct
73 Correct 9 ms 16712 KB Output is correct
74 Correct 11 ms 16724 KB Output is correct
75 Correct 9 ms 16636 KB Output is correct
76 Correct 8 ms 16724 KB Output is correct
77 Correct 75 ms 40196 KB Output is correct
78 Correct 68 ms 40140 KB Output is correct
79 Correct 65 ms 40196 KB Output is correct
80 Correct 63 ms 40196 KB Output is correct
81 Correct 146 ms 49860 KB Output is correct
82 Correct 180 ms 60044 KB Output is correct
83 Correct 194 ms 61796 KB Output is correct
84 Correct 239 ms 71192 KB Output is correct
85 Correct 258 ms 72084 KB Output is correct
86 Correct 264 ms 70096 KB Output is correct
87 Correct 273 ms 71456 KB Output is correct
88 Correct 8 ms 16724 KB Output is correct
89 Correct 286 ms 72308 KB Output is correct
90 Correct 280 ms 71596 KB Output is correct
91 Correct 217 ms 71144 KB Output is correct