add: MinMax

rainbou-kpr · Jan 15, 2025 · b168206 · b168206
1 parent f1c7fcb
commit b168206
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/cpp/more_functional.hpp b/cpp/more_functional.hpp
@@ -18,6 +18,10 @@ template <typename S>
 struct Min {
     const S operator()(const S& a, const S& b) const { return std::min(a, b); }
 };
+template <typename S>
+struct MinMax {
+    const std::pair<S, S> operator()(const std::pair<S, S>& a, const std::pair<S, S>& b) const { return {std::min(a.first, b.first), std::max(a.second, b.second)}; }
+};
 template <typename S, std::enable_if_t<std::is_integral_v<S>>* = nullptr>
 struct Gcd {
     constexpr S operator()(const S& a, const S& b) const { return std::gcd(a, b); }
@@ -42,6 +46,10 @@ template <typename S, std::enable_if_t<std::is_scalar_v<S>>* = nullptr>
 struct MinLimit {
     constexpr S operator()() const { return std::numeric_limits<S>::lowest(); }
 };
+template <typename S, std::enable_if_t<std::is_scalar_v<S>>* = nullptr>
+struct MaxMinLimit {
+    constexpr std::pair<S, S> operator()() const { return {std::numeric_limits<S>::max(), std::numeric_limits<S>::lowest()}; }
+};
 template <typename S>
 struct Div {
     S operator()(const S& a) const { return S(1) / a; }