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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,x,y,a[105][105];
void citire(){
fin>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
fin>>a[i][j];
}
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][k]+a[k][j] || !a[i][j]) && i!=j) a[i][j]=a[i][k]+a[k][j];
}
void afisare(){
for(int i=1;i<=n;++i){
for(int j=1;j<=n;++j)
fout<<a[i][j]<<' ';
fout<<'\n';
}
}
int main(){
citire();
royfloyd();
afisare();
return 0;
}