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#include <bits/stdc++.h>
#define N 105
#define inf 10000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[N][N];
void citire()
{ int x;
fin>>n;
for(int i=1; i<=n; ++i)
for(int j=1; j<=n; ++j)
{
fin>>x;
a[i][j]=x;
}
}
void roy()
{
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)
fout<<a[i][j]<<" ";
fout<<endl;
}
}
int main()
{
citire();
for(int i=1; i<=n; ++i)
for(int j=1; j<=n; ++j)
if(i!=j&&a[i][j]==0) a[i][j]=inf;
roy();
afisare();
return 0;
}