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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n;
int mat[101][101];
void citire()
{
in>>n;
int i,j;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
in>>mat[i][j];
}
void rezolvare()
{
int k,i,j;
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=i+1;j<=n;j++)
if(mat[i][j]>mat[i][k]+mat[k][j])
if(mat[i][k]&&mat[k][j])
{
mat[i][j]=mat[i][k]+mat[k][j];
mat[j][i]=mat[i][j];
}
}
void afisare()
{
int i,j;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
out<<mat[i][j]<<' ';
out<<'\n';
}
}
int main()
{
citire();
rezolvare();
afisare();
return 0;
}