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