#include <stdio.h>
FILE *f=fopen("royfloyd.in","r"),*g=fopen("royfloyd.out","w");
int a[101][101],n,i,j,k;
int main(void)
{
	fscanf(f,"%d",&n);
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++) fscanf(f,"%d",&a[i][j]);
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
				for (k=1;k<=n;k++)
					if (j!=i && k!=i && j!=k && a[j][i]!=0 && a[i][k]!=0)
						if (a[j][k]==0 || a[j][k]>a[j][i]+a[i][k]) {a[j][k]=a[j][i]+a[i][k];}
	}
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++) fprintf(g,"%d ",a[i][j]);
		fprintf(g,"\n");
	}
	fclose(g);
	return 0;
}