feat(Week05): Add exercises and solutions

1 files changed, 25 insertions, 0 deletions

diff --git a/Week05/Exercise09.cpp b/Week05/Exercise09.cpp
new file mode 100644
index 0000000..adcd5b1
--- /dev/null
+++ b/Week05/Exercise09.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+
+int main()
+{
+    double z;
+    unsigned int n;
+    std::cin >> z >> n;
+
+    double base = z - 1;
+    double sum = 0;
+
+    for (unsigned int i = 1; i <= n; i++) {
+        double to_power = 1;
+
+        for (unsigned j = 1; j <= i; j++) {
+            to_power *= base;
+        }
+
+        sum += ((i + 1) % 2 ? -1.0 : 1.0) * to_power / i;
+    }
+
+    std::cout << sum << std::endl;
+
+    return 0;
+}