#include<stdio.h>
FILE *f=fopen("royfloyd.in","r");
FILE *g=fopen("royfloyd.out","w");

int n,a[101][101];

int main()
{
	fscanf(f,"%d",&n);
	int i,j,k;
	
	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(a[i][k] && a[k][j]) if(a[i][k]+a[k][j]<a[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);
	return 0;
}