#include<cstdio>
int d[100][100];
char n,i,j,k;
int main()
{
    freopen("royfloyd.in","r",stdin),freopen("royfloyd.out","w",stdout),scanf("%d",&n);
    for(i=0;i<n;i++)
        for(j=0;j<n;j++)
            scanf("%d",&d[i][j]);
    for(k=0;k<n;k++)
        for(i=0;i<n;i++)
            for(j=0;j<n;j++)
                if(i!=j&&d[i][k]&&d[k][j]&&(!d[i][j]||d[i][j]>d[i][k]+d[k][j]))
                    d[i][j]=d[i][k]+d[k][j];
    for(i=0;i<n;i++)
    {
        for(j=0;j<n;j++)
            printf("%d ",d[i][j]);
        printf("\n");
    }
}