#include <iostream>

using namespace std;
int i,j,k,N,a[101][101];

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