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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int mat[105][105];
int main()
{
int n;
cin>>n;
///citire
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
{
cin>>mat[i][j];
if(mat[i][j]==0)
{
mat[i][j]=1000000000;
}
}
}
///alegi drumul minim intre drumul dintre 2 indici vs 2 indici si un intermediar
for(int k=1; k<=n; k++)
{
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
{
if(i!=j&&k!=i&&k!=j)
mat[i][j]=min(mat[i][j],mat[i][k]+mat[k][j]);
}
}
}
///afisare
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
{
if(i==j)
mat[i][j]=0;
cout<<mat[i][j]<<" ";
}
cout<<'\n';
}
return 0;
}