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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int NMAX = 105;
int a[NMAX][NMAX];
int main()
{
int n;
fin >> n;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++)
fin >> a[i][j];
}
for(int k=1;k<=n;k++){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(a[i][k]>0 and a[k][j]>0){
int cost=a[i][k]+a[k][j];
if(a[i][j]>cost and i!=j) a[i][j]=cost;
}
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
fout << a[i][j] << ' ';
}
fout << '\n';
}
return 0;
}