#include<stdio.h>
int n,a[102][102];
void citire()
{scanf("%d",&n);
for(int i=1;i<=n;i++)
	for(int j=1;j<=n;j++)
	scanf("%d",&a[i][j]);
}
void FloydWarshall()
{for(int i=1;i<=n;i++)
	for(int j=1;j<=n;j++)
		for(int k=1;k<=n;k++)
			if((a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && j!=k)
				a[i][j]=a[i][k]+a[k][j];
}
int main()
{freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
citire();
FloydWarshall();
for(int i=1;i<=n;i++)
	{for(int j=1;j<=n;j++)
		printf("%d ",a[i][j]);
		printf("\n");
	}
return 0;
}