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Cod sursa(job #712535)
#include <fstream>
using namespace std;
const char InFile[]="oras.in";
const char OutFile[]="oras.out";
const int MaxN=256;
ifstream fin(InFile);
ofstream fout(OutFile);
int N;
char A[MaxN][MaxN];
int main()
{
fin>>N;
fin.close();
if(N==4)
{
fout<<"-1";
}
else
{
if(N&1)
{
A[1][2]=1;
A[2][3]=1;
A[3][1]=1;
for(register int i=3;i<=N;i+=2)
{
A[i-1][i]=1;
for(register int j=1;j<=i-2;++j)
{
A[j][i-1]=1;
A[i][j]=1;
}
}
}
else
{
A[1][2]=1;
A[2][3]=1;
A[3][1]=1;
A[4][5]=1;
A[5][6]=1;
A[6][4]=1;
A[1][4]=1;
A[2][6]=1;
A[3][5]=1;
A[4][2]=1;
A[5][1]=1;
A[6][3]=1;
A[4][3]=1;
A[5][2]=1;
A[6][1]=1;
for(register int i=6;i<=N;i+=2)
{
A[i-1][i]=1;
for(register int j=1;j<=i-2;++j)
{
A[j][i-1]=1;
A[i][j]=1;
}
}
}
for(register int i=1;i<=N;++i)
{
for(register int j=1;j<=N;++j)
{
A[i][j]+='0';
}
fout<<A[i]+1<<"\n";
}
}
fout.close();
return 0;
}