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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
long long nr, matrice[105][105];
int main()
{
cin >> nr;
for(int i=1; i <= nr; i++)
{
for(int j=1; j <= nr; j++)
{
cin >> matrice[i][j];
if(matrice[i][j] == 0)
matrice[i][j] = 100000000000;
}
}
for(int m=1; m <= nr; m++)
{
for(int i=1; i <= nr; i++)
{
for(int j=1; j <= nr; j++)
{
matrice[i][j] = min(matrice[i][m]+matrice[m][j], matrice[i][j]);
}
}
}
for(int i=1; i <= nr; i++)
{
for(int j=1; j <= nr; j++)
{
if(i != j)
cout << matrice[i][j] << ' ';
else
cout << 0 << ' ';
}
cout << '\n';
}
}