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#include <fstream>
#define NMAX 104
#define INF 99999999
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,i,j,x,y,z;
int c[NMAX][NMAX];
int main()
{
cin>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
cin>>c[i][j];
if(c[i][j]==0)
c[i][j]=INF;
if(i==j)
c[i][j]=0;
}
}
for(z=1;z<=n;z++)
{
for(x=1;x<=n;x++)
{
for(y=1;y<=n;y++)
{
c[x][y]=min(c[x][z]+c[z][y],c[x][y]);
}
}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
cout<<c[i][j]<<' ';
}
cout<<'\n';
}
return 0;
}