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#include <iostream>
#include <bits/stdc++.h>
const int INF = 1e9;
using namespace std;
int n;
int a[105][105];
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
void citire_royfloyd()
{
in>>n;
for(int i =1;i<=n; i++)
{
for(int j=1; j<=n; j++)
{
in>>a[i][j];
if(i!=j && a[i][j]==0)
{
a[i][j] = INF;
}
}
}
}
void royfloyd()
{
for(int k =1; k<=n; k++)
{
for(int i=1; i<=n;i++)
{
for(int 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 afis_royfloyd()
{
for(int i =1; i<=n;i++)
{
for(int j=1;j<=n;j++)
{
out<<a[i][j]<<" ";
}
out<<'\n';
}
}
int main()
{
citire_royfloyd();
royfloyd();
afis_royfloyd();
return 0;
}