#include <stdio.h>

const int oo = (1<<30)-1;

int main ()
{
	FILE *f=fopen("royfloyd.in", "rt"), *g=fopen("royfloyd.out", "wt");
	int noduri, v[101][101];
	int i,j,k;
	fscanf(f, "%i ", &noduri);
	
	for(i=1;i<=noduri;i++)
		for(j=1;j<=noduri;j++)
		{
			int x;
			fscanf(f, "%i", &x);
			if(x==0)
				v[i][j]=oo;
			else
				v[i][j]=x;
		}
	for(k=1;k<=noduri;k++)
		for(i=1;i<=noduri;i++)
			for(j=1;j<=noduri;j++)
				if(v[i][j]!=oo && v[j][k]!=oo && v[i][j]+v[j][k] < v[i][k] && i!=k)
					v[i][k]=v[j][k]+v[i][j];
					
	for(i=1;i<=noduri;i++)
	{
		for(j=1;j<=noduri;j++)
			fprintf(g, "%i ", v[i][j] != oo ? v[i][j] : 0);
		fprintf(g, "\n");
	}
	
	return 0;
}