#include<stdio.h>
int a[101][101],n;
FILE *fin,*fout;

void citire()
{
    fin=fopen("royfloyd.in","r");
    fscanf(fin,"%d",&n);
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        fscanf(fin,"%d",&a[i][j]);
    }
}

void afisare()
{
    fout=fopen("royfloyd.out","w");
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        fprintf(fout,"%d ",a[i][j]);
        fprintf(fout,"\n");
    }
}

int main()
{
    citire();
    for(int k=1;k<=n;k++)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                if(a[i][k]==0 || a[k][j]==0)
                continue;
                if(a[i][j]==0 && i!=j)
                {
                    a[i][j]=a[i][k]+a[k][j];
                }
                else
                if(a[i][j]>a[i][k]+a[k][j])
                a[i][j]=a[i][k]+a[k][j];
            }
        }
    }

    afisare();
    return 0;
}