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