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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
#define INF 10005
int n,m;
int x;
int mat[102][102];
int main()
{
fin>>n;
for (int i=1;i<=n;i++)
for (int j=1;j<=n;j++) {
if (i!=j) mat[i][j]=INF;
}
for (int i=1;i<=n;i++)
for (int j=1;j<=n;j++) {
x=0;
fin>>x;
if (x!=0)
mat[i][j]=x;
}
for (int k=1;k<=n;k++) {
for (int i=1;i<=n;i++) {
for (int j=1;j<=n;j++) {
if (mat[i][j]>mat[i][k]+mat[k][j])
mat[i][j]=mat[i][k]+mat[k][j];
}
}
}
for (int i=1;i<=n;i++) {
for (int j=1;j<=n;j++) {
fout<<mat[i][j]<<' ';
}
fout<<'\n';
}
}