update

1_integral/integral.cpp

@@ -4,8 +4,8 @@
 #include <chrono>
 
 #define from 0.0f
-#define to 2.0f
-#define parts 999999999
+#define to 100.0f
+#define parts 9999999999
 #define step ((to - from) / parts)
 #define x (from + (step / 2.0f))