#include<stdio.h>
#define maxn 101
FILE *f=fopen("royfloyd.in","r"), *g=fopen("royfloyd.out","w");
int n, a[maxn][maxn],i,j;

int main()
{
	fscanf(f,"%d",&n);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++) fscanf(f,"%d",&a[i][j]);
	
	
	int 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][j]) && a[i][k] && a[k][j] && 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;
}