#include<stdio.h>

int n,i,j,k,oo=1,V[105][105],S[105][105];

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",&V[i][j]);
            if(i==j)S[i][j]=0;
        }

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            {
                if(V[i][k] && V[k][j] && (V[i][k]+V[k][j]<V[i][j] || !V[i][j]) &&i!=j )
                    V[i][j]=V[i][k]+V[k][j];
            }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            printf("%d ",V[i][j]);
        printf("\n");
    }

    return 0;
}