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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int t[105][105];
void royfloyd(){
for(int k=1;k<=n;k++){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(t[i][k]&&t[k][j]&&(t[i][j]>t[i][k]+t[k][j]|| !t[i][j])&& i!= j) t[i][j]=t[i][k]+t[k][j];
}
}
}
}
int main()
{
fin>>n;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
fin>>t[i][j];
}
}
royfloyd();
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
fout<<t[i][j]<<" ";
}
fout<<endl;
}
return 0;
}