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