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#include <iostream>
#include <fstream>
using namespace std;
int n;
int a[105][105];
void citire()
{
ifstream f("royfloyd.in");
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
f>>a[i][j];
}
void rez()
{
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j && j!=k && i!=k && a[i][k] && a[k][j])
if(a[i][j]==0||a[i][k]+a[k][j]<a[i][j])
a[i][j]=a[i][k]+a[k][j];
}
void afisare()
{
ofstream g("royfloyd.out");
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
g<<a[i][j]<<" ";
g<<"\n";
}
}
int main()
{
citire();
rez();
afisare();
return 0;
}