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#include <iostream>
#include <fstream>
const int NMAX = 105;
const int inf = 1<<30;
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int v[NMAX][NMAX];
int n;
int main(){
fin >> n;
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++){
fin >> v[i][j];
if(i != j and v[i][j] == 0)
v[i][j] = inf;
}
fin.close();
for(int k = 0; k < n; k++)
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
v[i][j] = min(v[i][j], v[i][k] + v[k][j]);
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++)
fout << v[i][j] << ' ';
fout << '\n';
}
fout.close();
return 0;
}