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Submission #16652

# Submission time Handle Problem Language Result Execution time Memory
16652 2015-09-03T01:43:33 Z eaststar Cave (IOI13_cave) C++14
0 / 100
 99 ms 512 KB 
#include "cave.h"
int a[5010],b[5010],chk[5010];
void exploreCave(int n){
  int i,j,s,e,m,t,p;
  for(i=0;i<n;++i){
    t=tryCombination(a);
    s=0,e=n-1;
    while(s<e){
      m=(s+e)/2;
      for(j=s;j<=m;++j)if(!chk[j])a[j]=!a[j];
      p=t;
      (p==i)^(t=tryCombination(a)==i)?e=m:s=m+1;
    }
    a[s]=!a[s],b[s]=i,chk[s]=1;
  }
  answer(a,b);
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 384 KB Answer is wrong
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 99 ms 512 KB Answer is wrong
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB Answer is wrong
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 432 KB Answer is wrong
2 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 28 ms 384 KB Answer is wrong
2 Halted 0 ms 0 KB -