#include<stdio.h>
FILE *f=fopen("royfloyd.in","r");
FILE *g=fopen("royfloyd.out","w");

#define M 101
int a[M][M],n,b[M][M];

void cit()
{
	int i,j;
	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 afis()
{
	int i,j;
	for(i=1;i<=n;++i)
	{
		for(j=1;j<=n;++j)
			fprintf(g,"%d ",a[i][j]);
		fprintf(g,"\n");
	}
	fclose(g);
}

void roy()
{
	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][j] || a[i][j] > a[i][k]+a[k][j])) a[i][j] = a[i][k] + a[k][j];
}

int main()
{
	cit();
	roy();
	afis();
	return 0;
}