#include<bits/stdc++.h>
using namespace std;
int n,a[105][105];
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
void cetire()
{
    f>>n;
    int i,j;
    for(i =1;i<=n;i++)
        for(j=1;j<=n;j++)
            f>>a[i][j];

}
void royfloyd()
{
    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] > a[i][k] + a[k][j] || !a[i][j]) && 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++)
            g<<a[i][j],g<<'\n';
}
int main()
{
    cetire();
    royfloyd();
    afisare();

}