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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int v[100][100];
int n;
void read()
{
in>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
in>>v[i][j];
}
}
}
void print()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
out<<v[i][j]<<" ";
}
out<<'\n';
}
}
int main()
{
read();
for(int k=1;k<=n;k++)
{
for(int j=1;j<=n;j++)
{
for(int i=1;i<=n;i++)
{
if(v[i][k] && v[k][j] && i!=j)
{
if(v[i][j]>v[i][k]+v[k][j] || v[i][j]==0)
{
v[i][j] = v[i][k]+v[k][j];
}
}
}
}
}
print();
}