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

using namespace std;
int n, a[105][105];

void citire()
{
        freopen("royfloyd.in","r",stdin);
        freopen("royfloyd.out","w",stdout);

        int i,j;
        scanf("%d",&n);
        for (i=1; i<=n; i++)
            for (j=1;j<=n;j++)
                scanf("%d",&a[i][j]);
}

void roy_floyd()
{
    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]!=0 && a[k][j]!=0 && (a[i][k]+a[k][j]<a[i][j] || a[i][j]==0) && i!=j)
                    a[i][j]=a[i][k]+a[k][j];
}

void afisare()
{
    int i,j;
    for (i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        printf("%d ",a[i][j]);
        printf("\n");
    }
}
int main()
{
    citire();
    roy_floyd();
    afisare();
    return 0;
}