Submission #1143383

#	Time	Username	Problem	Language	Result	Execution time	Memory
1143383		laurentiu_t	Walk (POI13_spa)	C++20	Compilation error	0 ms	0 KiB

spa

#include<bits/stdc++.h>
using namespace std;
string a,b;
int main()
{
    int k,n;
    unordered_map<string,int> mp;
    cin>>n>>k>>a>>b;
    for(int i=1;i<=k;i++)
    {
        string x;
        cin>>x;
        mp[x]=-1
    }
    queue<string> q;
    q.push(a);
    while(!q.empty())
    {
        string x=q.front();
        string l=x;
        q.pop();
        
        for(int i=0;i<n;i++)
        {
            if(x[i]=='0')
                l[i]='1';
            else
                l[i]='0';
            
            if(mp[1]==0)
            {
                q.push(l); 
                mp[l]=1;
                if(l==b)
                {
                    cout<<"TAK";
                    exit(0);
                }
            }
            l[i]=x[i]
        }
        
    }
    cout<<"NIE";
}

Compilation message (stderr)

spa.cpp: In function 'int main()':
spa.cpp:13:17: error: expected ';' before '}' token
   13 |         mp[x]=-1
      |                 ^
      |                 ;
   14 |     }
      |     ~            
spa.cpp:30:18: error: no match for 'operator[]' (operand types are 'std::unordered_map<std::__cxx11::basic_string<char>, int>' and 'int')
   30 |             if(mp[1]==0)
      |                  ^
In file included from /usr/include/c++/11/unordered_map:47,
                 from /usr/include/c++/11/functional:61,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from spa.cpp:1:
/usr/include/c++/11/bits/unordered_map.h:979:7: note: candidate: 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type&) [with _Key = std::__cxx11::basic_string<char>; _Tp = int; _Hash = std::hash<std::__cxx11::basic_string<char> >; _Pred = std::equal_to<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, int> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type = int; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = std::__cxx11::basic_string<char>]'
  979 |       operator[](const key_type& __k)
      |       ^~~~~~~~
/usr/include/c++/11/bits/unordered_map.h:979:34: note:   no known conversion for argument 1 from 'int' to 'const key_type&' {aka 'const std::__cxx11::basic_string<char>&'}
  979 |       operator[](const key_type& __k)
      |                  ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/unordered_map.h:983:7: note: candidate: 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type&&) [with _Key = std::__cxx11::basic_string<char>; _Tp = int; _Hash = std::hash<std::__cxx11::basic_string<char> >; _Pred = std::equal_to<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, int> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type = int; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = std::__cxx11::basic_string<char>]'
  983 |       operator[](key_type&& __k)
      |       ^~~~~~~~
/usr/include/c++/11/bits/unordered_map.h:983:29: note:   no known conversion for argument 1 from 'int' to 'std::unordered_map<std::__cxx11::basic_string<char>, int>::key_type&&' {aka 'std::__cxx11::basic_string<char>&&'}
  983 |       operator[](key_type&& __k)
      |                  ~~~~~~~~~~~^~~
spa.cpp:40:22: error: expected ';' before '}' token
   40 |             l[i]=x[i]
      |                      ^
      |                      ;
   41 |         }
      |         ~