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#include <iostream>
#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[100][100], n;
void citire()
{
fin >> n;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j<=n; j++)
{
fin>>a[i][j];
}
}
}
void royfloyd()
{
for(int i = 1; i <=n; i++)
{
for(int j = 1; j<=n; j++)
{
for(int k = 1; k <=n; k++)
{
if((a[i][j]>a[i][k] + a[k][j] || a[i][j]==0) && i!=j && a[i][k] != 0 && a[j][k] != 0) a[i][j] = a[i][k] + a[k][j];
}
}
}
}
int main()
{
citire();
royfloyd();
for(int i = 1; i <=n; i++)
{
for(int j = 1; j <=n; j++)
fout << a[i][j] << " ";
fout << endl;
}
return 0;
}