Submission #7003

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
7003	2014-07-12 09:09:53	gs13068	Cave (IOI13_cave)	C++98	100 / 100	1661 ms	608 KiB

cave

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#include "cave.h"
int S[5000];
int D[5000];
int V[5000];
void exploreCave(int N)
{
  int l,r,m;
  int i,j,k;
    for(i=0;i<N;i++)V[i]=0;
    for(i=0;i<N;i++)
  {
    for(j=0;j<N;j++)if(!V[j])S[j]=0;
    j=tryCombination(S);
    if(j<0)j=N;
        if(j>i)k=0;
        else k=1;
    l=0;r=N-1;
    while(l<r)
    {
      m=(l+r)/2;
            for(j=0;j<N;j++)if(!V[j])
            {
              if(j>=l&&j<=m)S[j]=k;
              else S[j]=!k;
            }
            j=tryCombination(S);
            if(j<0)j=N;
 
 
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• Subtask 2: 13 / 13
• Subtask 3: 21 / 21
• Subtask 4: 30 / 30
• Subtask 5: 24 / 24