#include using namespace std; using ll = long long; templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b> N; vector A; FOR(i, 0, N+1){ FOR(j, 0, N+1){ ll v = f(i, j); A.push_back(v); } } sort(ALL(A)); for(ll a : A){ p(a); } return 0; }