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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int d[101][101],n;
void citire()
{
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
fin>>d[i][j];
}
void build()
{
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j)
if(d[k][j]!=0&&d[i][k]!=0&&d[i][j]>d[i][k]+d[k][j]||d[i][j]==0&&d[k][j]!=0&&d[i][k]!=0)
d[i][j]=d[i][k]+d[k][j];
}
void afisare()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
fout<<d[i][j]<<" ";
fout<<endl;}
}
int main()
{
citire();
build();
afisare();
return 0;
}