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#include<fstream>
using namespace std;
int main ()
{
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n,a[100][100];
in>>n;
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
{
in>>a[i][j];
if(i!=j && a[i][j]==0)
a[i][j] = 1001;
}
for(int k=0;k<n;k++)
for(int i=0;i<n;i++)
for(int j=0;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=0;i<n;i++)
{
for(int j=0;j<n;j++)
out<<a[i][j]<<' ';
out<<'\n';
}
}