#include<stdio.h>
int n,a[105][105];
void citire()
	{
	FILE*f;
	f=fopen("royfloyd.in","r");
	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]);
	}
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(a[i][k]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&i!=j)
					a[i][j]=a[i][k]+a[k][j];
	}
void afis()
	{FILE*g=fopen("royfloyd.out","w");
	int i,j;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
			fprintf(g,"%d ",a[i][j]);
		fprintf(g,"\n");
	}
}
int main()
	{
	citire();
	roy();
	afis();
	fcloseall();
	return 0;
	}