#include<stdio.h>

int main()
{
	FILE *f,*g;
	int n, a[100][100], i, j, k;
	f=fopen("royfloyd.in","r");
	g=fopen("royfloyd.out","w");
	
	fscanf(f,"%d",&n);
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			fscanf(f,"%d",&a[i][j]);
			
	for(k=0;k<n;k++)
	for(i=0;i<n;i++)
	for(j=0;j<n;j++)
	if(i!=j)
	if(a[i][k] && a[k][j])
	if(!a[i][j] || a[i][j]>a[i][k]+a[k][j])
		a[i][j]=a[i][k]+a[k][j];
	
	for(i=0;i<n;i++)
	{
		for(j=0;j<n;j++)
			fprintf(g,"%d ",a[i][j]);
		fprintf(g,"\n");
	}

	fclose(f);
	fclose(g);
	return 0;
}