#include <stdio.h>

using namespace std;
FILE *f,*g;

int a[260][260];

void RoyFloyd(int n)
{
    int k,i,j;
    for(k=1;k<=n;++k)
        for(i=1;i<=n;++i)
            for(j=1;j<=n;++j)
                if(a[i][k] && a[k][j])
                    if((a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && i!=j)
                        a[i][j]=a[i][k]+a[k][j];
}

void afis(int n)
{
    int i,j;
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            fprintf(g,"%d ",a[i][j]);
        fprintf(g,"\n");
    }
}

int main()
{
    int n,i,j;
    f=fopen("royfloyd.in","r");
    g=fopen("royfloyd.out","w");
    fscanf(f,"%d",&n);
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            fscanf(f,"%d",&a[i][j]);
    RoyFloyd(n);
    afis(n);
    fclose(f);
    fclose(g);
    return 0;
}