#include <stdio.h>
int a[200][200],i,j,n,k;
int main()
{
	FILE *in,*out;
	in=fopen("royfloyd.in","r");
	out=fopen("royfloyd.out","w");
	fscanf(in,"%d",&n);
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
			fscanf(in,"%d",&a[i][j]);
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]|| !a[i][j])&&i!=j)
					a[i][j]=a[i][k]+a[k][j];
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			fprintf(out,"%d ",a[i][j]);
		fprintf(out,"\n");
	}
	fclose(in);
	fclose(out);
	return 0;
}