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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int NMAX = 101,INF = 1000*1000;
int nr_noduri;
int mat_cost[NMAX][NMAX];
void citire(){
fin>>nr_noduri;
for(int i=1;i<=nr_noduri;i++){
for(int j=1;j<=nr_noduri;j++){
fin>>mat_cost[i][j];
}
}
}
void solve(){
for(int k=1;k<=nr_noduri;k++){
for(int i=1;i<=nr_noduri;i++){
for(int j=1;j<=nr_noduri;j++){
if(i!=j && mat_cost[i][j] > mat_cost[i][k] + mat_cost[k][j]&&mat_cost[i][k] && mat_cost[k][j]){
mat_cost[i][j] = mat_cost[i][k] + mat_cost[k][j];
}
}
}
}
}
void afis(){
for(int i=1;i<=nr_noduri;i++){
for(int j=1;j<=nr_noduri;j++){
fout<<mat_cost[i][j]<<" ";
}
fout<<'\n';
}
}
int main(){
citire();
solve();
afis();
return 0;
}