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#include <iostream>
#include <fstream>
#define inf (1<<28)
#define nmax 101
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout ("royfloyd.out");
int a[nmax][nmax];
int n;
int main(){
fin >> n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++){
fin >> a[i][j];
if(a[i][j]==0) a[i][j]= inf;
}
for(int k=1; k<=n; k++)
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
a[i][j]= min(a[i][j], a[i][k] + a[k][j]);
for(int i=1; i<=n; i++){
for(int j=1; j<=n; j++)
if(a[i][j]==inf || i==j) fout << 0 << " ";
else fout << a[i][j] << " ";
fout << "\n";
}
return 0;
}