#include<stdio.h>
FILE *f=fopen("royfloyd.in","r");
FILE *g=fopen("royfloyd.out","w");
int n,a[105][105];
void citire()
{
    fscanf(f,"%d",&n);
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
            fscanf(f,"%d",&a[i][j]);
}
void rez()
{
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                if (a[k][j]&&a[i][k]&&(!a[i][j]||a[i][j]>a[i][k]+a[k][j])&&i!=j)
                    a[i][j]=a[i][k]+a[k][j];
}
int main()
{
    citire();
    rez();
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            fprintf(g,"%d ",a[i][j]);
        fprintf(g,"\n");
    }
    return 0;
}