oj.uz

Submission #863418

# Submission time Handle Problem Language Result Execution time Memory
863418 2023-10-20T07:50:25 Z neki Catfish Farm (IOI22_fish) C++17
9 / 100
 414 ms 81748 KB 
#include <bits/stdc++.h>
#include "fish.h"

#define ll long long
#define vc vector
 
using namespace std;
 
ll max_weights(int N, int M, vc<int> X, vc<int> Y, vc<int> W) {
    vc<ll> ind(M); for(ll i=0;i<M;++i) ind[i]=i;
    sort(ind.begin(),ind.end(),[&](int a,int b){return Y[a]<Y[b];});
    
    vc<vc<pair<ll, ll>>> f(N);
    vc<vc<ll>> rel(N, vc<ll>(1, 0)), dpm(N, vc<ll>(1, 0)), dpv(N, vc<ll>(1, 0)), dpn(N, vc<ll>(1, 0));
    for(auto i: ind){
        f[X[i]].emplace_back(Y[i], W[i]);
        if(X[i]-1>=0) rel[X[i]-1].push_back(Y[i]),dpn[X[i]-1].push_back(0),dpm[X[i]-1].push_back(0),dpv[X[i]-1].push_back(0);
        if(X[i]+1<N) rel[X[i]+1].push_back(Y[i]),dpn[X[i]+1].push_back(0),dpm[X[i]+1].push_back(0),dpv[X[i]+1].push_back(0);
    }
    
    for(ll i=0;i<N;++i){
        if(i-2>=0){
            for(ll j=0, prej=0, c=0, pp=0, mm=0;j<(ll)rel[i].size();++j){
                while(pp<(ll)rel[i-2].size()&&rel[i-2][pp]<=rel[i][j])mm=max(mm, max(dpv[i-2][pp], dpm[i-2][pp])),++pp;
                while(prej<(ll)f[i-1].size()&&f[i-1][prej].first<=rel[i][j])c+=f[i-1][prej++].second;
                dpv[i][j]=max(dpv[i][j],mm+c);
                dpm[i][j]=max(dpm[i][j],mm+c);
            }
            for(ll j=(ll)rel[i].size()-1, pp=(ll)rel[i-2].size(), mm=0;j>=0;--j){
                while(pp-1>=0&&rel[i-2][pp-1]>=rel[i][j])mm=max(mm, dpn[i-2][--pp]);
                dpv[i][j]=max(dpv[i][j],mm);
                dpm[i][j]=max(dpm[i][j],mm);
            }
        }
        if(i-1>=0){
            for(ll j=0, prej=0, pf=0, mm=0;j<(ll)rel[i].size();++j){
                while(1){
                    if(prej<(ll)rel[i-1].size()&&rel[i-1][prej]<=rel[i][j]&&(!(pf<(ll)f[i-1].size()) || rel[i-1][prej]<f[i-1][pf].first))mm=max(mm, dpm[i-1][prej++]);
                    else if(pf<(ll)f[i-1].size()&&f[i-1][pf].first<=rel[i][j])mm+=f[i-1][pf++].second;
                    else break;
                }
                dpm[i][j]=max(dpm[i][j], mm);
            }
            ll c=0; for(auto v: f[i])c+=v.second;
            vc<ll> pr=dpv[i-1];
            for(ll j=0, nas=0, c=0;j<(ll)rel[i-1].size();++j){
                while(nas<(ll)f[i].size()&&f[i][nas].first<=rel[i-1][j])c+=f[i][nas++].second;
                pr[j]+=c;
            }
            for(ll j=(ll)pr.size()-2;j>=0;--j)pr[j]=max(pr[j],pr[j+1]);

            for(ll j=(ll)rel[i].size()-1, prej=(ll)rel[i-1].size(), pf=(ll)f[i].size()-1;j>=0;--j){
                while(pf>=0&&rel[i][j]<f[i][pf].first)c-=f[i][pf--].second;
                while(prej-1>=0&&rel[i-1][prej]>=rel[i][j])--prej;
                if(prej<(ll)rel[i-1].size()) dpv[i][j]=max(dpv[i][j], pr[prej]-c);
            }
        }
        if(i+1<N){
            for(ll j=0, nas=0, c=0;j<(ll)rel[i].size();++j){
                while(nas<(ll)f[i+1].size()&&f[i+1][nas].first<=rel[i][j])c+=f[i+1][nas++].second;
                dpn[i][j]=max(dpn[i][j],max(dpv[i][j], dpm[i][j])+c);
            }
        }
    }
    ll ans=0;
    for(ll i=0;i<N;++i){
        for(ll j=0;j<(ll)rel[i].size();++j)ans=max({ans, dpn[i][j], dpv[i][j], dpm[i][j]});
    }
    return ans;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 30768 KB Output is correct
2 Correct 63 ms 35064 KB Output is correct
3 Correct 25 ms 24668 KB Output is correct
4 Correct 25 ms 24700 KB Output is correct
5 Correct 159 ms 69520 KB Output is correct
6 Correct 414 ms 81748 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 89 ms 43212 KB Output is correct
3 Correct 103 ms 47836 KB Output is correct
4 Correct 52 ms 30636 KB Output is correct
5 Correct 61 ms 34940 KB Output is correct
6 Correct 0 ms 548 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 436 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 26 ms 24504 KB Output is correct
11 Correct 25 ms 24712 KB Output is correct
12 Correct 58 ms 33172 KB Output is correct
13 Correct 67 ms 38064 KB Output is correct
14 Correct 54 ms 32984 KB Output is correct
15 Correct 59 ms 36516 KB Output is correct
16 Correct 53 ms 33592 KB Output is correct
17 Correct 60 ms 36780 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 24668 KB Output is correct
2 Correct 29 ms 24916 KB Output is correct
3 Incorrect 98 ms 30800 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16359027219341'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 1 ms 604 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '197515751547'
10 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 1 ms 604 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '197515751547'
10 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 1 ms 604 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '197515751547'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 24668 KB Output is correct
2 Correct 29 ms 24916 KB Output is correct
3 Incorrect 98 ms 30800 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16359027219341'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 30768 KB Output is correct
2 Correct 63 ms 35064 KB Output is correct
3 Correct 25 ms 24668 KB Output is correct
4 Correct 25 ms 24700 KB Output is correct
5 Correct 159 ms 69520 KB Output is correct
6 Correct 414 ms 81748 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 89 ms 43212 KB Output is correct
9 Correct 103 ms 47836 KB Output is correct
10 Correct 52 ms 30636 KB Output is correct
11 Correct 61 ms 34940 KB Output is correct
12 Correct 0 ms 548 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 436 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 26 ms 24504 KB Output is correct
17 Correct 25 ms 24712 KB Output is correct
18 Correct 58 ms 33172 KB Output is correct
19 Correct 67 ms 38064 KB Output is correct
20 Correct 54 ms 32984 KB Output is correct
21 Correct 59 ms 36516 KB Output is correct
22 Correct 53 ms 33592 KB Output is correct
23 Correct 60 ms 36780 KB Output is correct
24 Correct 25 ms 24668 KB Output is correct
25 Correct 29 ms 24916 KB Output is correct
26 Incorrect 98 ms 30800 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16359027219341'
27 Halted 0 ms 0 KB -