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