oj.uz

Submission #1033045

# Submission time Handle Problem Language Result Execution time Memory
1033045 2024-07-24T12:15:32 Z vjudge1 Catfish Farm (IOI22_fish) C++17
100 / 100
 270 ms 95608 KB 
#include "fish.h"
#include <bits/stdc++.h>

#pragma GCC optimize("Ofast")

using namespace std;

#define ll long long
#define pb push_back
#define F first
#define S second
#define all(v) v.begin(),v.end()
#define sz(s) (int)s.size()
#define lb lower_bound
#define ub upper_bound

const int MAX=3e5+10;

vector<pair<ll,ll>> y[MAX];
vector<pair<int,int>> vec[MAX];
vector<ll> p[MAX];
vector<ll> dp[MAX][2];
vector<ll> can[MAX];

ll getR(int x,ll r){
    if(r<0)return 0;
    int R=ub(all(y[x]),make_pair(r+1,-1ll))-y[x].begin()-1;
    if(R<0)return 0;
    return p[x][R];
}


long long max_weights(int N, int M, vector<int> X, vector<int> Y,vector<int> W) {
    for(int i=0;i<M;i++){
        X[i]++;
        Y[i]++;
        y[X[i]].pb({Y[i],i});
        vec[Y[i]].pb({X[i],W[i]});
    }
    for(int i=1;i<=N;i++){
        if(y[i].empty())continue;
        sort(all(y[i]));
        p[i].pb(W[y[i][0].S]);
        for(int j=1;j<sz(y[i]);j++){
            p[i].pb(p[i].back()+W[y[i][j].S]);
        }
    }
    can[0].pb(0);
    for(int i=1;i<=N;i++){
        can[i].pb(0);
        if(i>0){
            for(auto [x,b]:y[i-1])can[i].pb(x);
        }
        if(i+1<=N){
            for(auto [x,b]:y[i+1])can[i].pb(x);
        }
        sort(all(can[i]));
        can[i].erase(unique(all(can[i])),can[i].end());
    }
    for(int i=0;i<=N+1;i++){
        dp[i][0].resize(sz(can[i]));
        dp[i][1].resize(sz(can[i]));
        for(int j=0;j<sz(can[i]);j++){
            dp[i][0][j]=dp[i][1][j]=0;
        }
    }
    for(int i=1;i<=N;i++){
        {
            int r=sz(can[i-1]);
            ll mx=0;
            for(int j=sz(can[i])-1;j>=0;j--){
                while(r-1>=0&&can[i-1][r-1]>=can[i][j]){
                    mx=max(mx,max(dp[i-1][0][r-1],dp[i-1][1][r-1])+getR(i,can[i-1][r-1]));
                    r--;
                }
                dp[i][0][j]=mx-getR(i,can[i][j]);
            }
        }
        {
            int r=0;
            ll mx=0;
            for(int j=0;j<sz(can[i]);j++){
                while(r<sz(can[i-1])&&can[i-1][r]<=can[i][j]){
                    mx=max(mx,dp[i-1][1][r]-getR(i-1,can[i-1][r]));
                    r++;
                }
                dp[i][1][j]=mx+getR(i-1,can[i][j]);
                dp[i][1][j]=max(dp[i][1][j],dp[i-1][0][0]);
            }
        }
    }
    ll ans=0;
    for(int j=0;j<sz(can[N]);j++)ans=max(ans,max(dp[N][0][j],dp[N][1][j]));
    return ans;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 60352 KB Output is correct
2 Correct 79 ms 63168 KB Output is correct
3 Correct 33 ms 52048 KB Output is correct
4 Correct 34 ms 52060 KB Output is correct
5 Correct 189 ms 88228 KB Output is correct
6 Correct 197 ms 95608 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 42588 KB Output is correct
2 Correct 119 ms 68768 KB Output is correct
3 Correct 137 ms 74968 KB Output is correct
4 Correct 70 ms 60740 KB Output is correct
5 Correct 80 ms 63952 KB Output is correct
6 Correct 19 ms 42584 KB Output is correct
7 Correct 19 ms 42476 KB Output is correct
8 Correct 19 ms 42588 KB Output is correct
9 Correct 19 ms 42584 KB Output is correct
10 Correct 33 ms 52060 KB Output is correct
11 Correct 34 ms 52060 KB Output is correct
12 Correct 89 ms 62660 KB Output is correct
13 Correct 87 ms 66240 KB Output is correct
14 Correct 71 ms 61756 KB Output is correct
15 Correct 81 ms 62584 KB Output is correct
16 Correct 71 ms 61804 KB Output is correct
17 Correct 81 ms 63664 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 52048 KB Output is correct
2 Correct 32 ms 52060 KB Output is correct
3 Correct 55 ms 57548 KB Output is correct
4 Correct 49 ms 56496 KB Output is correct
5 Correct 76 ms 64452 KB Output is correct
6 Correct 72 ms 64004 KB Output is correct
7 Correct 74 ms 64456 KB Output is correct
8 Correct 75 ms 64452 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 42584 KB Output is correct
2 Correct 19 ms 42588 KB Output is correct
3 Correct 18 ms 42708 KB Output is correct
4 Correct 19 ms 42588 KB Output is correct
5 Correct 18 ms 42620 KB Output is correct
6 Correct 19 ms 42588 KB Output is correct
7 Correct 24 ms 42584 KB Output is correct
8 Correct 21 ms 42584 KB Output is correct
9 Correct 23 ms 42588 KB Output is correct
10 Correct 19 ms 42840 KB Output is correct
11 Correct 19 ms 42588 KB Output is correct
12 Correct 19 ms 42844 KB Output is correct
13 Correct 19 ms 42584 KB Output is correct
14 Correct 19 ms 42844 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 42584 KB Output is correct
2 Correct 19 ms 42588 KB Output is correct
3 Correct 18 ms 42708 KB Output is correct
4 Correct 19 ms 42588 KB Output is correct
5 Correct 18 ms 42620 KB Output is correct
6 Correct 19 ms 42588 KB Output is correct
7 Correct 24 ms 42584 KB Output is correct
8 Correct 21 ms 42584 KB Output is correct
9 Correct 23 ms 42588 KB Output is correct
10 Correct 19 ms 42840 KB Output is correct
11 Correct 19 ms 42588 KB Output is correct
12 Correct 19 ms 42844 KB Output is correct
13 Correct 19 ms 42584 KB Output is correct
14 Correct 19 ms 42844 KB Output is correct
15 Correct 19 ms 42588 KB Output is correct
16 Correct 19 ms 42844 KB Output is correct
17 Correct 39 ms 48096 KB Output is correct
18 Correct 38 ms 49244 KB Output is correct
19 Correct 35 ms 48988 KB Output is correct
20 Correct 35 ms 48720 KB Output is correct
21 Correct 34 ms 48732 KB Output is correct
22 Correct 51 ms 54884 KB Output is correct
23 Correct 22 ms 43952 KB Output is correct
24 Correct 33 ms 46516 KB Output is correct
25 Correct 18 ms 42844 KB Output is correct
26 Correct 22 ms 43612 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 42584 KB Output is correct
2 Correct 19 ms 42588 KB Output is correct
3 Correct 18 ms 42708 KB Output is correct
4 Correct 19 ms 42588 KB Output is correct
5 Correct 18 ms 42620 KB Output is correct
6 Correct 19 ms 42588 KB Output is correct
7 Correct 24 ms 42584 KB Output is correct
8 Correct 21 ms 42584 KB Output is correct
9 Correct 23 ms 42588 KB Output is correct
10 Correct 19 ms 42840 KB Output is correct
11 Correct 19 ms 42588 KB Output is correct
12 Correct 19 ms 42844 KB Output is correct
13 Correct 19 ms 42584 KB Output is correct
14 Correct 19 ms 42844 KB Output is correct
15 Correct 19 ms 42588 KB Output is correct
16 Correct 19 ms 42844 KB Output is correct
17 Correct 39 ms 48096 KB Output is correct
18 Correct 38 ms 49244 KB Output is correct
19 Correct 35 ms 48988 KB Output is correct
20 Correct 35 ms 48720 KB Output is correct
21 Correct 34 ms 48732 KB Output is correct
22 Correct 51 ms 54884 KB Output is correct
23 Correct 22 ms 43952 KB Output is correct
24 Correct 33 ms 46516 KB Output is correct
25 Correct 18 ms 42844 KB Output is correct
26 Correct 22 ms 43612 KB Output is correct
27 Correct 20 ms 43356 KB Output is correct
28 Correct 124 ms 71964 KB Output is correct
29 Correct 166 ms 80724 KB Output is correct
30 Correct 162 ms 83024 KB Output is correct
31 Correct 159 ms 83024 KB Output is correct
32 Correct 128 ms 82772 KB Output is correct
33 Correct 165 ms 83324 KB Output is correct
34 Correct 181 ms 83332 KB Output is correct
35 Correct 70 ms 58708 KB Output is correct
36 Correct 189 ms 85500 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 52048 KB Output is correct
2 Correct 32 ms 52060 KB Output is correct
3 Correct 55 ms 57548 KB Output is correct
4 Correct 49 ms 56496 KB Output is correct
5 Correct 76 ms 64452 KB Output is correct
6 Correct 72 ms 64004 KB Output is correct
7 Correct 74 ms 64456 KB Output is correct
8 Correct 75 ms 64452 KB Output is correct
9 Correct 96 ms 66640 KB Output is correct
10 Correct 65 ms 58452 KB Output is correct
11 Correct 129 ms 74556 KB Output is correct
12 Correct 23 ms 42844 KB Output is correct
13 Correct 21 ms 42564 KB Output is correct
14 Correct 19 ms 42588 KB Output is correct
15 Correct 18 ms 42588 KB Output is correct
16 Correct 19 ms 42520 KB Output is correct
17 Correct 19 ms 42584 KB Output is correct
18 Correct 33 ms 51928 KB Output is correct
19 Correct 35 ms 52048 KB Output is correct
20 Correct 32 ms 52060 KB Output is correct
21 Correct 32 ms 51872 KB Output is correct
22 Correct 109 ms 65724 KB Output is correct
23 Correct 124 ms 77148 KB Output is correct
24 Correct 143 ms 79184 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 60352 KB Output is correct
2 Correct 79 ms 63168 KB Output is correct
3 Correct 33 ms 52048 KB Output is correct
4 Correct 34 ms 52060 KB Output is correct
5 Correct 189 ms 88228 KB Output is correct
6 Correct 197 ms 95608 KB Output is correct
7 Correct 19 ms 42588 KB Output is correct
8 Correct 119 ms 68768 KB Output is correct
9 Correct 137 ms 74968 KB Output is correct
10 Correct 70 ms 60740 KB Output is correct
11 Correct 80 ms 63952 KB Output is correct
12 Correct 19 ms 42584 KB Output is correct
13 Correct 19 ms 42476 KB Output is correct
14 Correct 19 ms 42588 KB Output is correct
15 Correct 19 ms 42584 KB Output is correct
16 Correct 33 ms 52060 KB Output is correct
17 Correct 34 ms 52060 KB Output is correct
18 Correct 89 ms 62660 KB Output is correct
19 Correct 87 ms 66240 KB Output is correct
20 Correct 71 ms 61756 KB Output is correct
21 Correct 81 ms 62584 KB Output is correct
22 Correct 71 ms 61804 KB Output is correct
23 Correct 81 ms 63664 KB Output is correct
24 Correct 32 ms 52048 KB Output is correct
25 Correct 32 ms 52060 KB Output is correct
26 Correct 55 ms 57548 KB Output is correct
27 Correct 49 ms 56496 KB Output is correct
28 Correct 76 ms 64452 KB Output is correct
29 Correct 72 ms 64004 KB Output is correct
30 Correct 74 ms 64456 KB Output is correct
31 Correct 75 ms 64452 KB Output is correct
32 Correct 19 ms 42584 KB Output is correct
33 Correct 19 ms 42588 KB Output is correct
34 Correct 18 ms 42708 KB Output is correct
35 Correct 19 ms 42588 KB Output is correct
36 Correct 18 ms 42620 KB Output is correct
37 Correct 19 ms 42588 KB Output is correct
38 Correct 24 ms 42584 KB Output is correct
39 Correct 21 ms 42584 KB Output is correct
40 Correct 23 ms 42588 KB Output is correct
41 Correct 19 ms 42840 KB Output is correct
42 Correct 19 ms 42588 KB Output is correct
43 Correct 19 ms 42844 KB Output is correct
44 Correct 19 ms 42584 KB Output is correct
45 Correct 19 ms 42844 KB Output is correct
46 Correct 19 ms 42588 KB Output is correct
47 Correct 19 ms 42844 KB Output is correct
48 Correct 39 ms 48096 KB Output is correct
49 Correct 38 ms 49244 KB Output is correct
50 Correct 35 ms 48988 KB Output is correct
51 Correct 35 ms 48720 KB Output is correct
52 Correct 34 ms 48732 KB Output is correct
53 Correct 51 ms 54884 KB Output is correct
54 Correct 22 ms 43952 KB Output is correct
55 Correct 33 ms 46516 KB Output is correct
56 Correct 18 ms 42844 KB Output is correct
57 Correct 22 ms 43612 KB Output is correct
58 Correct 20 ms 43356 KB Output is correct
59 Correct 124 ms 71964 KB Output is correct
60 Correct 166 ms 80724 KB Output is correct
61 Correct 162 ms 83024 KB Output is correct
62 Correct 159 ms 83024 KB Output is correct
63 Correct 128 ms 82772 KB Output is correct
64 Correct 165 ms 83324 KB Output is correct
65 Correct 181 ms 83332 KB Output is correct
66 Correct 70 ms 58708 KB Output is correct
67 Correct 189 ms 85500 KB Output is correct
68 Correct 96 ms 66640 KB Output is correct
69 Correct 65 ms 58452 KB Output is correct
70 Correct 129 ms 74556 KB Output is correct
71 Correct 23 ms 42844 KB Output is correct
72 Correct 21 ms 42564 KB Output is correct
73 Correct 19 ms 42588 KB Output is correct
74 Correct 18 ms 42588 KB Output is correct
75 Correct 19 ms 42520 KB Output is correct
76 Correct 19 ms 42584 KB Output is correct
77 Correct 33 ms 51928 KB Output is correct
78 Correct 35 ms 52048 KB Output is correct
79 Correct 32 ms 52060 KB Output is correct
80 Correct 32 ms 51872 KB Output is correct
81 Correct 109 ms 65724 KB Output is correct
82 Correct 124 ms 77148 KB Output is correct
83 Correct 143 ms 79184 KB Output is correct
84 Correct 234 ms 89956 KB Output is correct
85 Correct 240 ms 90016 KB Output is correct
86 Correct 196 ms 93296 KB Output is correct
87 Correct 206 ms 94544 KB Output is correct
88 Correct 19 ms 42664 KB Output is correct
89 Correct 270 ms 94584 KB Output is correct
90 Correct 180 ms 90876 KB Output is correct
91 Correct 158 ms 88804 KB Output is correct