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