#include using namespace std; using ll = long long; using P = pair; #define rep(i, a, b) for(long long i = (a); i < (b); ++i) #define rrep(i, a, b) for(long long i = (a); i >= (b); --i) constexpr long long inf = 4e18; struct SetupIO { SetupIO() { ios::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(30); } } setup_io; template struct DynamicLiChaoTree { DynamicLiChaoTree() : root{nullptr} {} void add_line(const T& a, const T& b) { Line x(a, b); root = add_line(root, x, x_low, x_high, x.get(x_low), x.get(x_high)); } void add_segment(const T& l, const T& r, const T& a, const T& b) { Line x(a, b); root = add_segment(root, x, l, r - 1, x_low, x_high, x.get(x_low), x.get(x_high)); } T operator()(const T& x) const { assert(x_low <= x and x <= x_high); return query(root, x_low, x_high, x); } private: struct Line { T a, b; Line(const T& a, const T& b) : a(a), b(b) {} inline T get(const T& x) const { return a * x + b; } }; struct Node { Line x; Node *l, *r; Node(const Line& x) : x{x}, l{nullptr}, r{nullptr} {} }; const T id = numeric_limits::max(); Node* root; Node* add_line(Node* t, Line& x, const T& l, const T& r, const T& x_l, const T& x_r) { if(!t) return new Node(x); T t_l = t->x.get(l), t_r = t->x.get(r); if(t_l <= x_l and t_r <= x_r) { return t; } else if(t_l >= x_l and t_r >= x_r) { t->x = x; return t; } else { T m = (l + r) / 2; if(m == r) --m; T t_m = t->x.get(m), x_m = x.get(m); if(t_m > x_m) { swap(t->x, x); if(x_l >= t_l) t->l = add_line(t->l, x, l, m, t_l, t_m); else t->r = add_line(t->r, x, m + 1, r, t_m + x.a, t_r); } else { if(t_l >= x_l) t->l = add_line(t->l, x, l, m, x_l, x_m); else t->r = add_line(t->r, x, m + 1, r, x_m + x.a, x_r); } return t; } } Node* add_segment(Node* t, Line& x, const T& a, const T& b, const T& l, const T& r, const T& x_l, const T& x_r) { if(r < a or b < l) return t; if(a <= l and r <= b) { Line y{x}; return add_line(t, y, l, r, x_l, x_r); } if(t) { T t_l = t->x.get(l), t_r = t->x.get(r); if(t_l <= x_l and t_r <= x_r) return t; } else { t = new Node(Line(0, id)); } T m = (l + r) / 2; if(m == r) --m; T x_m = x.get(m); t->l = add_segment(t->l, x, a, b, l, m, x_l, x_m); t->r = add_segment(t->r, x, a, b, m + 1, r, x_m + x.a, x_r); return t; } T query(const Node* t, const T& l, const T& r, const T& x) const { if(!t) return id; if(l == r) return t->x.get(x); T m = (l + r) / 2; if(m == r) --m; if(x <= m) return min(t->x.get(x), query(t->l, l, m, x)); else return min(t->x.get(x), query(t->r, m + 1, r, x)); } }; int main(void) { ll a, Q; cin >> a >> Q; DynamicLiChaoTree cht; while(Q--) { ll q; cin >> q; if(q == 1) { ll s, t; cin >> s >> t; cht.add_line(-a * (s + t), a * s * t); } else { ll t; cin >> t; cout << max(-a * t * t - cht(t), 0ll) << '\n'; } } }