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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[105][105];
int main()
{
int n;
fin>>n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
{
int x;
fin>>x;
if(x==0)
a[i][j]=1e9;
else
a[i][j]=x;
}
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];
for(int i=1; i<=n; i++,fout<<"\n")
for(int j=1; j<=n; j++)
if(a[i][j]!=2e9)
fout<<a[i][j]<<" ";
else
fout<<0<<" ";
return 0;
}