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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[120][120], aa[120][120], m, n, x, y, cost;
int main(){
fin>>n;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
a[i][j]=1000000;
}
}
for(int i=1;i<=n;i++){
for(int j=1; j<=n; j++){
fin>>x;
if(x){
a[i][j]=x;
}
}
}
for(int k=1;k<=n;k++){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(a[i][j]>a[i][k]+a[k][j]){
a[i][j]=a[i][k]+a[k][j];
}
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(a[i][j]==1000000 &&i!=j){
fout<<"0"<<" ";
}
else{
if(i==j){
fout<<"0"<<" ";
}
else{
fout<<a[i][j]<<" ";
}
}
}
fout<<"\n";
}
}