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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int cost[100][100];
int main() {
int n;
fin>>n;
for (int i = 1 ;i<=n;i++) {
for (int j =1 ;j<=n ; j++) {
fin>>cost[i][j];
}
}
for (int k = 1 ; k <= n ; k++) {
for (int i = 1 ; i<=n ; i++) {
for (int j = 1 ; j<=n ;j++) {
if (cost[i][j] > cost[i][k]+cost[k][j]) {
cost[i][j] = cost[i][k]+cost[k][j];
}
}
}
}
for (int i = 1 ;i<=n;i++) {
for (int j =1 ;j<=n ; j++) {
fout<<cost[i][j]<<' ';
}
fout<<'\n';
}
}