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#include <bits/stdc++.h>
#define inf 10000000
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];
}
void Rf()
{
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]==0) && 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++)
fout<<a[i][j]<<" ";
fout<<"\n";
}
}
int main()
{
Citire();
Rf();
Afisare();
return 0;
}