From 058eb3a09352b8dbb0dd2d4968cf4de8e62a0786 Mon Sep 17 00:00:00 2001
From: Viacheslav Kroilov <slavakroilov@gmail.com>
Date: Sat, 5 May 2018 19:42:19 +0200
Subject: [PATCH] Add missing using declarations

---
 epi_judge_cpp/drawing_skyline.cc                  | 2 ++
 epi_judge_cpp/rectangle_intersection.cc           | 2 ++
 epi_judge_cpp_solutions/drawing_skyline.cc        | 2 ++
 epi_judge_cpp_solutions/rectangle_intersection.cc | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/epi_judge_cpp/drawing_skyline.cc b/epi_judge_cpp/drawing_skyline.cc
index 1dfa3d225..997506782 100644
--- a/epi_judge_cpp/drawing_skyline.cc
+++ b/epi_judge_cpp/drawing_skyline.cc
@@ -18,6 +18,8 @@ bool operator==(const Rectangle& a, const Rectangle& b) {
 }
 }  // namespace drawing_skyline
 
+using drawing_skyline::ComputeSkyline;
+
 template <>
 struct SerializationTraits<drawing_skyline::Rectangle>
     : UserSerTraits<drawing_skyline::Rectangle, int, int, int> {};
diff --git a/epi_judge_cpp/rectangle_intersection.cc b/epi_judge_cpp/rectangle_intersection.cc
index 5d642f31e..cb8a1890e 100644
--- a/epi_judge_cpp/rectangle_intersection.cc
+++ b/epi_judge_cpp/rectangle_intersection.cc
@@ -17,6 +17,8 @@ bool operator==(const Rectangle& r1, const Rectangle& r2) {
 
 }  // namespace rectangle_intersection
 
+using rectangle_intersection::IntersectRectangle;
+
 template <>
 struct SerializationTraits<rectangle_intersection::Rectangle>
     : UserSerTraits<rectangle_intersection::Rectangle, int, int, int, int> {
diff --git a/epi_judge_cpp_solutions/drawing_skyline.cc b/epi_judge_cpp_solutions/drawing_skyline.cc
index 2b6506f16..1aecc2cb9 100644
--- a/epi_judge_cpp_solutions/drawing_skyline.cc
+++ b/epi_judge_cpp_solutions/drawing_skyline.cc
@@ -52,6 +52,8 @@ bool operator==(const Rectangle& a, const Rectangle& b) {
 }
 }  // namespace drawing_skyline
 
+using drawing_skyline::ComputeSkyline;
+
 template <>
 struct SerializationTraits<drawing_skyline::Rectangle>
     : UserSerTraits<drawing_skyline::Rectangle, int, int, int> {};
diff --git a/epi_judge_cpp_solutions/rectangle_intersection.cc b/epi_judge_cpp_solutions/rectangle_intersection.cc
index 861d7765d..ef81e7b1d 100644
--- a/epi_judge_cpp_solutions/rectangle_intersection.cc
+++ b/epi_judge_cpp_solutions/rectangle_intersection.cc
@@ -38,6 +38,8 @@ bool operator==(const Rectangle& r1, const Rectangle& r2) {
 
 }  // namespace rectangle_intersection
 
+using rectangle_intersection::IntersectRectangle;
+
 template <>
 struct SerializationTraits<rectangle_intersection::Rectangle>
     : UserSerTraits<rectangle_intersection::Rectangle, int, int, int, int> {