Submission #1143225

#	Time	Username	Problem	Language	Result	Execution time	Memory
1143225		victor_c	Walk (POI13_spa)	C++20	Compilation error	0 ms	0 KiB

spa

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

using namespace std;

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 n, m, a, b;
    cin>>n>>m;
    red(a);
    red(b);
    for(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 'void red(int&)':
spa.cpp:11:19: error: 'n' was not declared in this scope
   11 |     for(int i=0;i<n;i++)
      |                   ^
spa.cpp: In function 'void df(int)':
spa.cpp:20:19: error: 'n' was not declared in this scope
   20 |     for(int i=0;i<n;i++)
      |                   ^
spa.cpp: In function 'int main()':
spa.cpp:32:9: error: 'j' was not declared in this scope
   32 |     for(j=0; j<m; j++)
      |         ^
spa.cpp:34:13: error: 'k' was not declared in this scope
   34 |         red(k);
      |             ^
spa.cpp: At global scope:
spa.cpp:47:1: error: expected unqualified-id before 'return'
   47 | return 0;
      | ^~~~~~