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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int dim=109,inf=1e9;
int n,c[dim][dim];
signed main(){
fin>>n;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
fin>>c[i][j];
if(i!=j&&c[i][j]==0){
c[i][j]=inf;
}
}
}
for(int k=1;k<=n;k++){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(c[i][k] && c[k][j] && i!=j){
c[i][j]=min(c[i][j],c[i][k]+c[k][j]);
}
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(c[i][j]==inf){
fout<<0<<' ';
}
else{
fout<<c[i][j]<<' ';
}
}
fout<<'\n';
}
}