#include <stdio.h> 

int n, a[105][105]; 

void citire()
{
	int i,j;
	FILE *f=fopen("royfloyd.in","r");
	fscanf(f,"%d",&n);
	for(i=1;i<=n;i++) for(j=1;j<=n;j++)
		fscanf(f,"%d",&a[i][j]);
	fclose(f);
}

void roy_floyd()
{
	int i,j,k;
	for(k=1 ;k<=n ;k++)
		for(i=1 ; i<=n ; i++)
			for(j=1;j<=n;j++)
				if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) 
					a[i][j]=a[i][k]+a[k][j];
}

void afisare()
{
	int i,j;
	FILE *f=fopen("royfloyd.out","w");
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
			fprintf(f,"%d ",a[i][j]);
		fprintf(f,"\n");
	}
	fclose(f);
}

int main()
{
	citire();
	roy_floyd();
	afisare();
	return 0;
}