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Cod sursa(job #515033)
#include <cstdio>
#define file_in "oras.in"
#define file_out "oras.out"
int N;
int i,j,s;
int a[210][210];
int main(){
freopen(file_in,"r",stdin);
freopen(file_out,"w",stdout);
scanf("%d", &N);
if (N==4){
printf("-1\n");
return 0;
}
for (i=1;i<=N;++i)
for (j=i+1;j<=N;++j)
a[i][j]=1;
if (N%2==0)
s=3;
else
s=2;
for (i=1;i<=N;++i)
for (j=i-s;j>=1;j-=s){
a[i][j]=1;
a[j][i]=0;
}
if (N%2==0){
a[N][N%3]=a[N%3][N]=1;
}
for (i=1;i<=N;++i) {
for (j=1;j<=N;++j)
printf("%d", a[i][j]);
printf("\n");
}
return 0;
}