diff --git a/main.cpp b/main.cpp
index f2eb1d2..15992e4 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,7 +8,11 @@
 #endif
 
 #ifndef ALPHA
-#define ALPHA 0.9999
+#define ALPHA 0.99
+#endif
+
+#ifndef TEMP_MIN
+#define TEMP_MIN 10
 #endif
 
 int main()
@@ -23,7 +27,7 @@ int main()
 	}
 
 	sa::solution act = sa::solution::simulated_annealing(capacity, items,
-	                                                     TEMP, ALPHA);
+	                                                     TEMP, ALPHA, TEMP_MIN);
 
 	act.print_sol();
 }
diff --git a/sa.cpp b/sa.cpp
index bb96228..4e8721e 100644
--- a/sa.cpp
+++ b/sa.cpp
@@ -2,7 +2,8 @@
 #include <cmath>
 
 auto sa::solution::simulated_annealing(int capacity, const std::vector<long long> &items,
-                                       const double alpha, double temp)->sa::solution
+                                       const double alpha, double temp,
+                                       const double temp_min)->sa::solution
 {
 	sa::solution best(items, capacity);
 	best.randomize();
@@ -12,8 +13,7 @@ auto sa::solution::simulated_annealing(int capacity, const std::vector<long long
 	std::default_random_engine eng(rdevice());
 	std::uniform_real_distribution<> rand(0, 1);
 
-	const double temp_min = 0.30;
-	while (temp < temp_min) {
+	while (temp > temp_min) {
 		sa::solution neighbor(prev);
 		neighbor.setneighbor();
 
diff --git a/sa.hpp b/sa.hpp
index 320ac3b..34723c6 100644
--- a/sa.hpp
+++ b/sa.hpp
@@ -93,7 +93,8 @@ class solution {
 	}
 
 	static auto simulated_annealing(int capacity, const std::vector<long long> &items,
-	                                double alpha, double temp)->solution;
+	                                double alpha, double temp,
+	                                double temp_min)->solution;
 };
 
 } // namespace sa