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