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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n;
void FloydWarshall(int a[][25])
{
for(int k=0;k<n;k++)
{
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
if(a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
}
}
int main()
{
int a[25][25];
f>>n;
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
f>>a[i][j];
FloydWarshall(a);
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
g<<a[i][j]<<" ";
g<<'\n';
}
return 0;
}