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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, a[105][105];
void citire()
{
fin>>n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
fin>>a[i][j];
}
void afisare()
{
for(int i=1; i<=n; i++){
for(int j=1; j<=n; j++)
fout<<a[i][j]<<" ";
fout<<"\n";
}
}
int main()
{
citire();
for(int k=1; k<=n; k++)
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
if(a[k][i] > a[k][j] + a[j][i])
a[k][i] = a[k][j] + a[j][i];
afisare();
}