initial

1sem/programming basics/4/2_40.cpp

@@ -0,0 +1,31 @@
+// pb_4_2_40.cpp
+// Горбацевич Андрей
+#include <iostream>
+#include <clocale>
+#include <cmath>
+using namespace std;
+
+double f1(double x)
+{
+    x = log(x*x) - 8.3e3;
+    return x;
+}
+double f2(double x)
+{
+    x = 1 / (cbrt(3*x) + 1);
+    return x;
+}
+int main()
+{
+    double x;
+    cout << "X=?\n";
+    cin >> x;
+    if (x == 0) {
+        cout << "err: x == 0" << endl;
+        return 0;
+    }
+    cout << "y=" << f1(x) + f2(x) << endl;
+}
+
+// 1 -8299.59
+// 2 -8298.26