oj.uz

Submission #1106279

# Submission time Handle Problem Language Result Execution time Memory
1106279 2024-10-29T17:34:08 Z inesfi Nile (IOI24_nile) C++17
0 / 100
 40 ms 16364 KB 
#include "nile.h"
#include<bits/stdc++.h>
using namespace std;

#define int long long

struct relique{
    int p,cout1,pere;

    bool operator< (relique other){
        return p<other.p;
    }
};

struct quest{
    int q,numquest;

    bool operator< (quest other){
        return q<other.q;
    }
};

struct compo{
    int pere,premier,dernier,minpair,minimpair,minponts,prix;
};

struct dist{
    int d,premier;

    bool operator< (dist other){
        return d<other.d;
    }
};

const int INFINI=1000*1000*1000+2,QUESTMAXI=100*1000+2;
vector<relique> reliques;
vector<quest> questions;
vector<compo> composantes;
int nbreliques,ajout;
vector<dist> aretes;
vector<dist> ponts2;
int reponse[QUESTMAXI];
vector<int> r;

int trouver(int numc){
    if (composantes[numc].pere!=numc){
        return composantes[numc].pere=trouver(composantes[numc].pere);
    }
    return numc;
}

void unir(int compo1,int compo2){
    compo1=trouver(compo1);
    compo2=trouver(compo2);
    ajout-=composantes[compo1].prix+composantes[compo2].prix;
    
    composantes[compo2].pere=compo1;
    compo nouv;
    nouv.pere=compo1;
    nouv.premier=min(composantes[compo1].premier,composantes[compo2].premier);
    nouv.dernier=max(composantes[compo1].dernier,composantes[compo2].dernier);
    nouv.minpair=min(composantes[compo1].minpair,composantes[compo2].minpair);
    nouv.minimpair=min(composantes[compo1].minimpair,composantes[compo2].minimpair);
    nouv.minponts=min(composantes[compo1].minponts,composantes[compo2].minponts);
    if (nouv.dernier-nouv.premier%2==1){
        nouv.prix=0;
    }
    else {
        if (nouv.premier%2==0){
            nouv.prix=min(nouv.minpair,nouv.minponts);
        }
        else {
            nouv.prix=min(nouv.minimpair,nouv.minponts);
        }
    }
    composantes[compo1]=nouv;
    ajout+=nouv.prix;
}
#undef int

vector<long long> calculate_costs(vector<int> poids, vector<int> seul, vector<int> deux, vector<int> requetes) {
    #define int long long
    nbreliques=(int)poids.size();
    for (int irelique=0;irelique<nbreliques;irelique++){
        relique rel;
        ajout+=deux[irelique];
        rel.p=poids[irelique];
        rel.cout1=seul[irelique]-deux[irelique];
        rel.pere=0;
        reliques.push_back(rel);
    }
    sort(reliques.begin(),reliques.end());
    for (int irelique=0;irelique<nbreliques;irelique++){
        reliques[irelique].pere=irelique;
    }
    for (int iquest=0;iquest<(int)requetes.size();iquest++){
        quest qu;
        qu.q=requetes[iquest];
        qu.numquest=iquest;
        questions.push_back(qu);
    }
    sort(questions.begin(),questions.end());
    for (int irelique=0;irelique<nbreliques;irelique++){
        compo c;
        if (irelique%2==0){
            c={irelique,irelique,irelique,reliques[irelique].cout1,INFINI,INFINI,reliques[irelique].cout1};
        }
        else {
            c={irelique,irelique,irelique,INFINI,reliques[irelique].cout1,INFINI,reliques[irelique].cout1};
        }
        ajout+=reliques[irelique].cout1;
        composantes.push_back(c);
    }
    for (int irelique=0;irelique<nbreliques-1;irelique++){
        dist ar;
        ar={reliques[irelique+1].p-reliques[irelique].p,irelique};
        aretes.push_back(ar);
    }
    sort(aretes.begin(),aretes.end());
    for (int irelique=0;irelique<nbreliques-2;irelique++){
        dist ar;
        ar={reliques[irelique+2].p-reliques[irelique].p,irelique};
        ponts2.push_back(ar);
    }
    sort(ponts2.begin(),ponts2.end());
    int arec=0,pontec=0;
    for (auto qec:questions){
        while (arec<nbreliques-1 and aretes[arec].d<=qec.q){
            unir(aretes[arec].premier,aretes[arec].premier+1);
            arec++;
        }
        while (pontec<nbreliques-2 and ponts2[pontec].d<=qec.q){
            composantes[trouver(ponts2[pontec].premier+1)].minponts=min(composantes[trouver(ponts2[pontec].premier+1)].minponts,
            reliques[ponts2[pontec].premier+1].cout1);
            ajout-=composantes[trouver(ponts2[pontec].premier+1)].prix;
            composantes[trouver(ponts2[pontec].premier+1)].prix=min(composantes[trouver(ponts2[pontec].premier+1)].prix,
            composantes[trouver(ponts2[pontec].premier+1)].minponts);
            ajout+=composantes[trouver(ponts2[pontec].premier+1)].prix;
            pontec++;
        }
        reponse[qec.numquest]=ajout;
    }
    for (int irep=0;irep<(int)requetes.size();irep++){
        r.push_back(reponse[irep]);
    }
    return r;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct

Subtask #1
0.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 2 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Incorrect 1 ms 592 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 16316 KB Output is correct
2 Correct 38 ms 16324 KB Output is correct
3 Correct 38 ms 16364 KB Output is correct
4 Incorrect 40 ms 16308 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 39 ms 16308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 2 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Incorrect 1 ms 592 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 2 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Incorrect 1 ms 592 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 39 ms 16308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct
5 Incorrect 1 ms 592 KB Output isn't correct
6 Halted 0 ms 0 KB -