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Cod sursa(job #333199)
#include <stdio.h>
using namespace std;
#define maxn 210
long n, i, b, j, k, ok, r[maxn][maxn];
int main()
{
freopen("oras.in", "r", stdin);
freopen("oras.out", "w", stdout);
scanf("%d", &n);
ok=1;
if(n%2==1)
for(i=1; i<n/2+n%2; i++)
for(j=0; j<n; j++)
{
b=(i+j)%n;
if(r[b][j]==0 && r[j][b]==0)
r[j][b]=1;
}
if(n%2==0)
{
r[1][2] = 1; r[1][3] = 1; r[1][5] = 1;
r[2][3] = 1; r[2][4] = 1; r[2][6] = 1;
r[3][4] = 1; r[3][5] = 1; r[3][6] = 1;
r[4][5] = 1; r[4][1] = 1;
r[5][2] = 1; r[5][6] = 1;
r[6][1] = 1; r[6][4] = 1;
for(i=7; i<n; i+=2)
{
r[i-1][i]=1;
for(j=0; j<i-1; j++)
{
r[j][i-1]=1;
r[i][j]=1;
}
}
}
if(n==4) printf("%d\n", -1);
for(i=0; i<n; i++)
{
for(j=0; j<n; j++)
{
printf("%d", r[i][j]);
}
printf("\n");
}
return 0;
}