My short collection of C++ macros

macros.hpp

#define l long
#define d double
#define str string
#define ll l l
#define ull unsigned ll
#define endl "\n"
#define forx(y) for (ll x = 0; x < y; x++)
#define in(x) cin >> x;
#define outln(x) cout << x << endl;
#define out(x) cout << x << " ";