#include<stdio.h>
FILE *in,*out;
int n,M[101][101],i,j,k;
int main()
{
    in=fopen("royfloyd.in","rt");
    out=fopen("royfloyd.out","wt");
    fscanf(in,"%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fscanf(in,"%d",&M[i][j]);

    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(M[i][k] && M[k][j] && (M[i][j]>M[i][k]+M[k][j] || !M[i][j]) && i!=j)
                    M[i][j]=M[i][k]+M[k][j];

    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fprintf(out,"%d ",M[i][j]);
        fprintf(out,"\n");
    }


    return 0;
}