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#include <fstream>
using namespace std;
const float inf=1000000009;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,m,a[1009][1009];
void citire()
{
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
cin>>a[i][j];
}
void Roy_Floyd()
{
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 drum(int i,int j)
{
int g=0;
for(int k=1;k<=n&&g==0;k++)
if(i!=k&&j!=k)
if(a[i][j]==a[i][k]+a[k][j])
{
drum(i,k);
drum(k,j);
g=1;
}
if(g==0) cout<<j<<" ";
}
int main()
{
int x,y;
cin>>n;
citire();
Roy_Floyd();
for(int i=1;i<=n;i++)
{
cout<<endl;
for(int j=1;j<=n;j++)
cout<<a[i][j]<<" ";
}
}