#include <cstdio>
FILE *f,*g;
int n,i,j,k;
int a[105][105];

int main() 
{
	f=fopen("royfloyd.in","r");
	g=fopen("royfloyd.out","w");
	
	fscanf(f,"%d",&n);
	
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++) 
			fscanf(f,"%d",&a[i][j]);
		
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (i!=j && i!=k && a[i][k]!=0 && a[j][k]!=0) 
					if (a[i][k]+a[k][j]<a[i][j])
						a[i][j]=a[i][k]+a[k][j];

	for (i=1;i<=n;i++,fprintf(g,"\n"))
		for (j=1;j<=n;j++)
			fprintf(g,"%d ",a[i][j]);
		
	fclose(g);
	return 0;
}