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

using namespace std;

const int lg=100;
int a[lg][lg];//,s[lg][lg];
int n;

int min(int x,int y)
{
    if(x<y) return x;
        else return y;
}

void read()
{
    int i,j;

    cin>>n;

    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            cin>>a[i][j];
}

void wfi()
{
    int i,j,k;

    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])
                a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
}

void out()
{
    int i,j;

    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");

    }
}

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    read();
    wfi();
    out();
    return 0;
}