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