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#include <fstream>
#define inf 1100
using namespace std;
int a[105][105],n;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
fin>>a[i][j];
if(!a[i][j])
a[i][j] = inf;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][k]+a[k][j]<a[i][j])
a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(i==j||a[i][j]==1010)
fout<<"0 ";
else
fout<<a[i][j]<<" ";
}
fout<<"\n";
}
return 0;
}