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#include <iostream>
#include <fstream>
#define infinit 1000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[105][105];
void citire()
{
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
fin>>a[i][j];
if(a[i][j]==0&&i!=j)
a[i][j]=infinit;
}
}
void rezolv()
{
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
}
void afisare()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(a[i][j]>=infinit)
a[i][j]=0;
fout<<a[i][j]<<" ";
}
fout<<"\n";
}
}
int main()
{
citire();
rezolv();
afisare();
return 0;
}