Eroare de compilare: main.cpp: In function 'int main()': main.cpp:2:416: error: 'return0' was not declared in this scope using namespace std;bool v[1111][1111];int main(){std::ios::sync_with_stdio(false);ifstream fin("diferente.in");ofstream fout("diferente.out");int n=6,k=4;fin>>n>>k;int pos=1;if((n%2==1)&&(k%2==1)){fout<<"impossible";return 0;}while(k>0){for(int i=pos,j=1;j<=n;i=(i%n)+1,++j){v[i][j]=1;}pos+=2;k-=2;}if(k!=0){for(int i=2;i<=n;i+=2){v[i][i]=0;}}for(int i=1;i<=n;++i){for(int j=1;j<=n;++j){fout<<v[i][j];}fout<<"\n";}return0;} ^~~~~~~ Non zero exit status: 1