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#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int NMAX = 105;
const int INF = 2000000009;
int n;
int a[NMAX][NMAX], dist[NMAX][NMAX];
void read()
{
fin >> n;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
dist[i][j] = 0;
for(int i = 1 ; i <= n ; i++)
for (int j = 1; j <= n; j++) {
fin >> a[i][j];
if (i != j) dist[i][j] = a[i][j];
}
}
void solve()
{
for (int k = 1; k <= n; k++)
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
if(i != j && dist[i][k] != 0 && dist[k][j] != 0)
dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]);
}
void write()
{
for (int i = 1; i <= n; i++)
{
for (int j = 1; j <= n; j++)
fout << dist[i][j] << " ";
fout << "\n";
}
}
int main()
{
read();
solve();
write();
return 0;
}