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#include <iostream>
#include <fstream>
using namespace std;
int a[101][101];
int n;
void citeste(){
ifstream f("royfloyd.in");
f>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){
f>>a[i][j];
if(a[i][j]==0&&i!=j)a[i][j]=1001;}
}
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][k]+a[k][j]<a[i][j])a[i][j]=a[i][k]+a[k][j];
}
void scrie(){
ofstream f("royfloyd.out");
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(a[i][j]!=1001)f<<a[i][j]<<" ";
else f<<0<<" ";}
f<<endl;}
f.close();
}
int main(){
citeste();
royfloyd();
scrie();
return 0;
}