Submission #372397

#	Time	Username	Problem	Language	Result	Execution time	Memory
372397		amano_hina	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

#include "cave.h"

void exploreCave(int n) {
    int a[n],b[n],f[n],mid,ans,ans2,have[n];
    for(int i=0;i<n;i++)
    {
        f[i]=i;
        a[i]=0;
    }
    
    for(int i=0;i<n;i++)
    {
        ans=tryCombination(a);
        l=0;
        r=n-1-i;
        while(l<r)
        {
            mid=(l+r)/2;
            for(int j=l;j<=m;j++)
            {
                a[f[j]]=1-a[f[j]];
            }
            ans2=tryCombination(a);
            if(ans==ans2)
            {
                l=m+1;
            }
            else
            {
                r=m;
            }
            ans=ans2;
            
        }
        if(ans!=i)
        {
            a[l]=1-a[l];
            b[l]=i;
        }
        for(int j=l;j<n-1-i;j++)
        {
            f[j]=f[j+1];
        }
        
        
    }
    void answer(a[],b[]);
    
    /* ... */
}

Compilation message (stderr)

cave.cpp:47:25: error: stray '\315' in program
   47 |     void answer(a[],b[]);
      |                         ^
cave.cpp:47:26: error: stray '\276' in program
   47 |     void answer(a[],b[]);
      |                          ^
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:14:9: error: 'l' was not declared in this scope
   14 |         l=0;
      |         ^
cave.cpp:15:9: error: 'r' was not declared in this scope
   15 |         r=n-1-i;
      |         ^
cave.cpp:19:28: error: 'm' was not declared in this scope
   19 |             for(int j=l;j<=m;j++)
      |                            ^
cave.cpp:26:19: error: 'm' was not declared in this scope
   26 |                 l=m+1;
      |                   ^
cave.cpp:30:19: error: 'm' was not declared in this scope
   30 |                 r=m;
      |                   ^
cave.cpp:47:17: error: variable or field 'answer' declared void
   47 |     void answer(a[],b[]);
      |                 ^
cave.cpp:47:19: error: expected primary-expression before ']' token
   47 |     void answer(a[],b[]);
      |                   ^
cave.cpp:47:23: error: expected primary-expression before ']' token
   47 |     void answer(a[],b[]);
      |                       ^
cave.cpp:4:37: warning: unused variable 'have' [-Wunused-variable]
    4 |     int a[n],b[n],f[n],mid,ans,ans2,have[n];
      |                                     ^~~~