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#include <fstream>
using namespace std;
const int NMAX = 101;
const int oo = 1e9;
int n;
int G[NMAX][NMAX];
void royfloyd() {
for (int k = 0; k < n; k++) {
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
G[i][j] = min(G[i][j], G[i][k] + G[k][j]);
}
}
}
}
int main() {
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
fin >> n;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
fin >> G[i][j];
if (G[i][j] == 0) {
G[i][j] = oo;
}
if (i == j) {
G[i][j] = 0;
}
}
}
royfloyd();
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
fout << G[i][j] << " ";
}
fout << "\n";
}
fin.close();
fout.close();
return 0;
}