From 9242ebc4c69f2c1f550ddcc0e9235f3f409554c7 Mon Sep 17 00:00:00 2001 From: Syndamia Date: Sat, 1 Nov 2025 20:27:21 +0200 Subject: feat(Week05): Add exercises and solutions --- Week05/Exercise19.cpp | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Week05/Exercise19.cpp (limited to 'Week05/Exercise19.cpp') diff --git a/Week05/Exercise19.cpp b/Week05/Exercise19.cpp new file mode 100644 index 0000000..baad3c7 --- /dev/null +++ b/Week05/Exercise19.cpp @@ -0,0 +1,30 @@ +#include + +int main() +{ + double x; + unsigned int n; + std::cin >> x >> n; + + double sum = 0; + + for (unsigned int k = 0; k <= n; k++) { + unsigned int l = 2 * k + 1; + + double to_power = 1; + for (unsigned p = 1; p <= l; p++) { + to_power *= x; + } + + unsigned int fac = 1; + for (unsigned i = 1; i <= l; i++) { + fac *= i; + } + + sum += (k % 2 ? -1.0 : 1.0) * to_power / fac; + } + + std::cout << sum << std::endl; + + return 0; +} -- cgit v1.3.1-23-gd82d