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