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#include <iostream>
#include <fstream>
#define Dmax 1000001
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,mat[110][110],D[110][110];
void Citire()
{
int i,j;
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++) fin>>mat[i][j];
}
void Init()
{
int i,j;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j)
if(mat[i][j]!=0) D[i][j]=mat[i][j];
else D[i][j]=Dmax;
}
void Path()
{
Init();
int i,j,k;
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(D[i][j]>D[i][k]+D[k][j] && D[i][k]>0 && D[k][j]>0 )
D[i][j]=D[i][k]+D[k][j];
}
void Afis()
{
int i,j;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
fout<<D[i][j]<<" ";
}
fout<<'\n';
}
}
int main()
{
Citire();
Path();
Afis();
return 0;
}