#include <cstdio>
int a[101][101],n;

void roy_floyd()
{
	for(int k=1;k<=n;k++)
		for(int i=1;i<=n;i++)
			for(int j=1;j<=n;j++)
				if(a[i][j]>a[i][k]+a[k][j])
					a[i][j]=a[i][k]+a[k][j];
}

void citire()
{
	FILE *f=fopen("royfloyd.in","r");
	fscanf(f,"%d\n",&n);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
		{
			fscanf(f,"%d",&a[i][j]);
			if(!a[i][j])
				a[i][j]=2000000;
		}
	fclose(f);
}

void afisare()
{
	FILE *f=fopen("royfloyd.out","w");
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			if(!a[i][j]||i==j)
				fprintf(f,"0 ");
			else
				fprintf(f,"%d ",a[i][j]);
		}
		fprintf(f,"\n");
	}
}
	
int main()
{
	citire();
	roy_floyd();
	afisare();
	return 0;
}