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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll NMAX=1e2+5;
ll dist[NMAX][NMAX];
int main()
{
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
ll n;
fin>>n;
for(ll i=0;i<n;i++){
for(ll j=0;j<n;j++){
fin>>dist[i][j];
if(dist[i][j]==0)
dist[i][j]=1e9;
}
}
for(ll k=0;k<n;k++){
for(ll i=0;i<n;i++){
for(ll j=0;j<n;j++){
dist[i][j]=min(dist[i][j],dist[i][k]+dist[k][j]);
}
}
}
for(ll i=0;i<n;i++){
for(ll j=0;j<n;j++){
if(dist[i][j]>=1e9 || i==j)
dist[i][j]=0;
fout<<dist[i][j]<<" \n"[j==n-1];
}
}
return 0;
}