Submission #1143227

#	Time	Username	Problem	Language	Result	Execution time	Memory
1143227		victor_c	Walk (POI13_spa)	C++20	Compilation error	0 ms	0 KiB

spa

#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int n, m;
char x[1<<24], w;
void red(int &x)
{
    x=0;
    for(int i=0; i<n; i++)
    {
        cin>>w;
        x=x*2+w-'0';
    }
}
void df(int v)
{
    x[v]=2;
    for(int i=0; i<n; i++)
    {
        if(x[v^(1<<i)]==0)
            df(v^(1<<i));
    }
}
int main()
{
    int a, b;
    cin>>n>>m;
    red(a);
    red(b);
    for(int j=0; j<m; j++)
    {
        red(k);
        x[k]=1;
    }
    if(a==b)
    {
        cout<<"TAK";
        return 0;
    }
    df(a);
    if(x[b]==2)
        cout<<"TAK";
    else cout<<"NIE";
}
return 0;

Compilation message (stderr)

spa.cpp: In function 'int main()':
spa.cpp:35:13: error: 'k' was not declared in this scope
   35 |         red(k);
      |             ^
spa.cpp: At global scope:
spa.cpp:48:1: error: expected unqualified-id before 'return'
   48 | return 0;
      | ^~~~~~