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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int main()
{
int i,j,k,n,a[101][101];
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
f>>a[i][j];
if(!a[i][j])
a[i][j]=1001;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j)
if(a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
if(a[i][j]!=1001)
g<<a[i][j]<<" ";
else g<<0<<" ";
g<<'\n';
}
f.close();
g.close();
}