From 55acb1c5ee74170b3afc19d2abc6e6ec0ee891be Mon Sep 17 00:00:00 2001
From: Mizux Seiha <mizux.dev@gmail.com>
Date: Tue, 30 Mar 2021 16:28:08 +0200
Subject: [PATCH] Update integer_programming to get trace

---
 examples/cpp/integer_programming.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/cpp/integer_programming.cc b/examples/cpp/integer_programming.cc
index 351c3f4078..1dd93deadc 100644
--- a/examples/cpp/integer_programming.cc
+++ b/examples/cpp/integer_programming.cc
@@ -89,6 +89,7 @@ void RunAllExamples() {
 }  // namespace operations_research
 
 int main(int argc, char** argv) {
+  absl::SetFlag(&FLAGS_alsologtostderr, true);
   google::InitGoogleLogging(argv[0]);
   absl::ParseCommandLine(argc, argv);
   operations_research::RunAllExamples();