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# include <iostream>
# include <fstream>
# define n_max 102
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[n_max][n_max],n;
int main()
{
f>>n;
int i,j,k;
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
{
f>>a[i][j];
}
for(k=1; k<=n; k++)
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
if((a[i][j] > a[i][k] +a[k][j] || a[i][j]==0) && (a[i][k]!=0) && (a[k][j]!=0) && (i!=j))
a[i][j]=a[i][k]+a[k][j];
for(i=1; i<=n; i++)
{
for(j=1; j<=n; j++)
g<<a[i][j]<<" ";
g<<'\n';
}
return 0;
}