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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[101][101];
void citire()
{
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
f>>a[i][j];
if(a[i][j]==0)a[i][j]=1000000;
}
}
void rf()
{
int j,i,k;
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[i][j]>a[i][k]+a[k][j] && i!=j)
{
a[i][j]=a[i][k]+a[k][j];
}
}
void afisare()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
if(a[i][j]==1000000)g<<0<<" ";
else g<<a[i][j]<<" ";
g<<"\n";
}
}
int main()
{
citire();
rf();
afisare();
}