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#include <iostream>
#include<fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
unsigned long long a[102][102];
int n,i,j;
void citire()
{
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>a[i][j];
}
void rf()
{
int x,y,z;
for(z=1;z<=n;z++)
for(x=1;x<=n;x++)
for(y=1;y<=n;y++)
if(x!=z && a[x][z] && a[z][y] && a[x][y]) a[x][y]=min(a[x][z]+a[z][y],a[x][y]);
}
void afisare()
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<a[i][j]<<" ";
g<<"\n";
}
}
int main()
{
citire();
rf();
afisare();
return 0;
}