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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int v[101][101];
int main()
{
int n,i,j,k;
cin>>n;
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
cin>>v[i][j];
}
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
for(k=1;k<=n;k++){
if(i==j || k==i || j==k) continue;
if(v[i][k]!=0 && v[j][i]!=0){
if(v[j][k]==0) v[j][k]=v[j][i]+v[i][k];
else v[j][k]=min(v[j][i]+v[i][k],v[j][k]);
}
}
}
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
cout<<v[i][j]<<" ";
}
cout<<"\n";
}
return 0;
}