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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,v[105][105];
int main()
{
cin>>n;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
cin>>v[i][j];
}
}
for(int k=1;k<=n;k++){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(v[i][j]>v[i][k]+v[k][j] && v[i][k] && v[k][j]){
v[i][j]=v[i][k]+v[k][j];
}
}
}
}
for(int i=1;i<=n;i++,cout<<'\n'){
for(int j=1;j<=n;j++,cout<<" "){
cout<<v[i][j];
}
}
return 0;
}