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