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#include <iostream>
#include <fstream>
using namespace std;
int main(){
ifstream fin("royfloyd..in");
ofstream fout("royfloyd..out");
int n, a[100][100];
fin >> n;
for(int i = 0;i < n; i++){
for( int j = 0;j < n; j++){
fin >> a[i][j];
}
}
for(int k = 0;k < n; k++){
for(int i = 0;i < n; i++){
for(int j = 0;j < n; j++){
if(a[i][k] && a[k][j] && (a[i][k] + a[k][j] < a[i][j] || !a[i][j]) && i != j){
a[i][j] = a[i][k] + a[k][j];
}
}
}
}
for(int i = 0;i < n; i++){
for(int j = 0;j < n; j++){
fout << a[i][j] <<" ";
}
fout <<'\n';
}
return 0;
}