Submission #974661

#	Time	Username	Problem	Language	Result	Execution time	Memory
974661		ivaziva	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

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

using namespace std;

#define MAXN 5010

long long pozicija[MAXN];
long long vrata[MAXN];
bool pronadjeno[MAXN]
set<long long> nepronadjeni;

void exploreCave(int N)
{
    for (long long i=0;i<N;i++) pozicija[i]=0;
    for (long long i=0;i<N;i++) pronadjeno[i]=false;
    for (long long i=0;i<N;i++) vrata[i]=-1;
    for (long long i=0;i<N;i++) nepronadjeni.insert(i);
    for (long long i=0;i<N;i++)
    {
        long long ans0=tryCombination(pozicija);
        if (ans0>i or ans0==-1)
        {
            long long l=0,r=nepronadjeni.size()-1;
            long long rez=-1;
            while (l<=r)
            {
                long long mid=(l+r)/2;
                long long brojac=0;
                for (long long p:nepronadjeni)
                {
                    if (brojac>mid) break;
                    pozicija[p]=1-pozicija[p];brojac++;
                }
                long long ans=tryComination(pozicija);
                if (ans>i or ans==-1) {rez=mid;r=mid-1;}
                else l=mid+1;
                brojac=0;
                for (long long p:nepronadjeni)
                {
                    if (brojac>mid) break;
                    pozicija[p]=1-pozicija[p];brojac++;
                }
            }
            long long brojac=0;
            long long val=-1;
            for (long long p:nepronadjeni)
            {
                if (brojac==rez) {val=p;break;}
                else brojac++;
            }
            pozicija[val]=1;vrata[val]=i;
            pronadjeno[val]=true;
        }
        else
        {
            long long l=0,r=nepronadjeni.size()-1;
            long long rez=-1;
            while (l<=r)
            {
                long long mid=(l+r)/2;
                long long brojac=0;
                for (long long p:nepronadjeni)
                {
                    if (brojac>mid) break;
                    pozicija[p]=1-pozicija[p];brojac++;
                }
                long long ans=tryComination(pozicija);
                if (ans==i) {rez=mid;r=mid-1;}
                else l=mid+1;
                brojac=0;
                for (long long p:nepronadjeni)
                {
                    if (brojac>mid) break;
                    pozicija[p]=1-pozicija[p];brojac++;
                }
            }
            long long brojac=0;
            long long val=-1;
            for (long long p:nepronadjeni)
            {
                if (brojac==rez) {val=p;break;}
                else brojac++;
            }
            vrata[val]=i;
            pronadjeno[val]=true;
        }
    }
    answer(pozicija,vrata);
}

Compilation message (stderr)

cave.cpp:11:1: error: expected initializer before 'set'
   11 | set<long long> nepronadjeni;
      | ^~~
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:16:33: error: 'pronadjeno' was not declared in this scope
   16 |     for (long long i=0;i<N;i++) pronadjeno[i]=false;
      |                                 ^~~~~~~~~~
cave.cpp:18:33: error: 'nepronadjeni' was not declared in this scope
   18 |     for (long long i=0;i<N;i++) nepronadjeni.insert(i);
      |                                 ^~~~~~~~~~~~
cave.cpp:21:24: error: 'tryCombination' was not declared in this scope
   21 |         long long ans0=tryCombination(pozicija);
      |                        ^~~~~~~~~~~~~~
cave.cpp:24:29: error: 'nepronadjeni' was not declared in this scope
   24 |             long long l=0,r=nepronadjeni.size()-1;
      |                             ^~~~~~~~~~~~
cave.cpp:35:31: error: 'tryComination' was not declared in this scope
   35 |                 long long ans=tryComination(pozicija);
      |                               ^~~~~~~~~~~~~
cave.cpp:53:13: error: 'pronadjeno' was not declared in this scope
   53 |             pronadjeno[val]=true;
      |             ^~~~~~~~~~
cave.cpp:57:29: error: 'nepronadjeni' was not declared in this scope
   57 |             long long l=0,r=nepronadjeni.size()-1;
      |                             ^~~~~~~~~~~~
cave.cpp:68:31: error: 'tryComination' was not declared in this scope
   68 |                 long long ans=tryComination(pozicija);
      |                               ^~~~~~~~~~~~~
cave.cpp:86:13: error: 'pronadjeno' was not declared in this scope
   86 |             pronadjeno[val]=true;
      |             ^~~~~~~~~~
cave.cpp:89:5: error: 'answer' was not declared in this scope
   89 |     answer(pozicija,vrata);
      |     ^~~~~~