Submission #985073

#	Time	Username	Problem	Language	Result	Execution time	Memory
985073		user736482	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include<bits/stdc++.h>
#include<cave.h>
using namespace std;
int result[5000],match[5000],sent[5000];
bool iflastopen,fixed[5000];
void change(int a, int b){
    for(int i=a;i<=b;i++){
        if(!fixed[i])
            sent[i]=!sent[i];
    }
}

void exploreCave(int n){
    for(int j=0;j<n;j++){
        if(tryCombination(sent)>j)
            iflastopen=1;
        else
            iflastopen=0;
        int pocz=0;
        int kon=n-1;
        while(pocz!=kon){
            int sr=(pocz+kon)/2;
            change(pocz,sr);
            int ak=tryCombination(sent);
            if((ak>j)==iflastopen){
                pocz=sr+1;
            }
            else{
                kon=sr-1;
                iflastopen=!iflastopen;
            }
        }
        if(iflastopen){
            match[j]=pocz;
            fixed[pocz-1]=1;
        }
        else{
            match[j]=pocz;
            fixed[pocz-1]=1;
            sent[pocz-1]=!sent[pocz-1];
        }
    }
    answer(sent,match);
}

Compilation message (stderr)

cave.cpp: In function 'void change(int, int)':
cave.cpp:8:13: error: reference to 'fixed' is ambiguous
    8 |         if(!fixed[i])
      |             ^~~~~
In file included from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from cave.cpp:1:
/usr/include/c++/10/bits/ios_base.h:1048:3: note: candidates are: 'std::ios_base& std::fixed(std::ios_base&)'
 1048 |   fixed(ios_base& __base)
      |   ^~~~~
cave.cpp:5:17: note:                 'bool fixed [5000]'
    5 | bool iflastopen,fixed[5000];
      |                 ^~~~~
cave.cpp: In function 'void exploreCave(int)':
cave.cpp:35:13: error: reference to 'fixed' is ambiguous
   35 |             fixed[pocz-1]=1;
      |             ^~~~~
In file included from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from cave.cpp:1:
/usr/include/c++/10/bits/ios_base.h:1048:3: note: candidates are: 'std::ios_base& std::fixed(std::ios_base&)'
 1048 |   fixed(ios_base& __base)
      |   ^~~~~
cave.cpp:5:17: note:                 'bool fixed [5000]'
    5 | bool iflastopen,fixed[5000];
      |                 ^~~~~
cave.cpp:39:13: error: reference to 'fixed' is ambiguous
   39 |             fixed[pocz-1]=1;
      |             ^~~~~
In file included from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from cave.cpp:1:
/usr/include/c++/10/bits/ios_base.h:1048:3: note: candidates are: 'std::ios_base& std::fixed(std::ios_base&)'
 1048 |   fixed(ios_base& __base)
      |   ^~~~~
cave.cpp:5:17: note:                 'bool fixed [5000]'
    5 | bool iflastopen,fixed[5000];
      |                 ^~~~~