Submission #838675

#	Time	Username	Problem	Language	Result	Execution time	Memory
838675		oscar1f	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include<bits/stdc++.h>
#include "cave.h"

using namespace std;

const int MAX_VAL=5000+5;
int nbVal,ans,nbFait,deb,fin,mid;
vector<int> quest;
vector<int> repPos,rep;
int numPorte[MAX_VAL],repEtat[MAX_VAL];


void modif() {
    for (int i=0;i<nbFait;i++) {
        quest[numPorte[i]]=repEtat[i];
    }
}

int askQuest(vector<int> v) {
    int arr[nbVal];
    copy(v.begin(),v.end(),arr);
    return tryCombination(v);
}

void exploreCave(int N) {
    nbVal=N;
    for (int i=0;i<nbVal;i++) {
        quest.clear();
        for (int j=0;j<nbVal;j++) {
            quest.push_back(0);
        }
        modif();
        ans=askQuest(quest);
        if (ans>=i) {
            repEtat[i]=0;
        }
        else {
            repEtat[i]=1;
        }
        deb=0;
        fin=nbVal-1;
        while (deb!=fin) {
            mid=(deb+fin)/2;
            for (int j=0;j<nbVal;j++) {
                if (j>=deb and j<=mid) {
                    quest.push_back(repEtat[i]);
                }
                else {
                    quest.push_back(1-repEtat[i]);
                }
            }
            modif();
            ans=askQuest(quest);
            if (ans>=i) {
                fin=mid;
            }
            else {
                deb=mid+1;
            }
        }
        repEtat[i]=deb;
        nbFait++;
    }
    for (int i=0;i<nbVal;i++) {
        rep.push_back(repEtat[i]);
        for (int j=0;j<nbVal;j++) {
            if (repEtat[j]==i) {
                rep.push_back(j);
            }
        }
    }
    int arrPos[nbVal],arrRep[nbVal];
    copy(repPos.begin(),repPos.end(),arrPos);
    copy(rep.begin(),rep.end(),arrRep);
    answer(repPos,rep);
}

Compilation message (stderr)

cave.cpp: In function 'int askQuest(std::vector<int>)':
cave.cpp:22:27: error: cannot convert 'std::vector<int>' to 'int*'
   22 |     return tryCombination(v);
      |                           ^
      |                           |
      |                           std::vector<int>
In file included from cave.cpp:2:
cave.h:8:24: note:   initializing argument 1 of 'int tryCombination(int*)'
    8 | int tryCombination(int S[]);
      |                    ~~~~^~~
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:75:12: error: cannot convert 'std::vector<int>' to 'int*'
   75 |     answer(repPos,rep);
      |            ^~~~~~
      |            |
      |            std::vector<int>
In file included from cave.cpp:2:
cave.h:9:17: note:   initializing argument 1 of 'void answer(int*, int*)'
    9 | void answer(int S[], int D[]);
      |             ~~~~^~~