#include <iostream>
#include <stdio.h>

using namespace std;

FILE *f=fopen("royfloyd.in","r");
FILE *g=fopen("royfloyd.out","w");

int n,i,j,v[110][110];

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

void drumuri()
{
    int k,i,j;
    for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    if(v[i][k]!=0 && v[k][j]!=0 && i!=j)
    if(v[i][k]+v[k][j]<v[i][j] || v[i][j]==0)v[i][j]=v[i][k]+v[k][j];
}


void citire()
{
    int i,j;
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    fscanf(f,"%d",&v[i][j]);
}

int main()
{
    citire();
    drumuri();
    afisare();
    return 0;
}