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