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