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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
short v[101][101];
inline short min1(short a,short b)
{
if(a<b) return a;
return b;
}
int main()
{
short n,i,j,k,a=0,inf=10000;
fin>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++) fin>>v[i][j];
}
for(k=1;k<=n;k++)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(i!=j)
{
if(v[i][k]!=0 &&v[k][j]!=0) a=v[i][k]+v[k][j];
else a=inf;
v[i][j]=min1(v[i][j],a);
}
}
}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++) fout<<v[i][j]<<" ";
fout<<"\n";
}
}