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//Deresu Roberto - FMI
//Re :)
#include <fstream>
#define nx 107
using namespace std;
int a[nx][nx], n;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
void Read()
{
fin >> n;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
fin >> a[i][j];
}
}
}
void RoyFloyd()
{
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
for(int k = 1; k <= n; k++)
{
if(j != k && a[j][i] != 0 && a[i][k] != 0 && (a[j][k] > a[j][i]+a[i][k] || a[j][k] == 0))
{
a[j][k] = a[j][i]+a[i][k];
}
}
}
}
}
void Print()
{
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
fout << a[i][j];
}
printf("\n");
}
}
int main()
{
Read();
RoyFloyd();
Print();
return 0;
}