From 69de8ecfb2df52a6a4ae9d75f6a018ae380cca05 Mon Sep 17 00:00:00 2001 From: Syndamia Date: Sat, 25 Oct 2025 18:07:05 +0300 Subject: feat(Week04): Add exercises and solutions --- Week04/Exercise21.cpp | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Week04/Exercise21.cpp (limited to 'Week04/Exercise21.cpp') diff --git a/Week04/Exercise21.cpp b/Week04/Exercise21.cpp new file mode 100644 index 0000000..d98a43d --- /dev/null +++ b/Week04/Exercise21.cpp @@ -0,0 +1,24 @@ +#include + +int main() { + unsigned int S, n; + std::cin >> S >> n; + + double a = S, power_10 = 1; + while (a > 100.0) { + a /= 100.0; + power_10 *= 10.0; + } + + double x_i = (10.0 - 190.0 / (a + 20.0)) * power_10; + double x_n = (x_i + S / x_i) / 2.0; + for (unsigned int i = 1; i < n; i++) { + double old_x = x_n; + x_n = (x_i + S / x_i) / 2.0; + x_i = x_n; + } + + std::cout << x_i; + + return 0; +} -- cgit v1.3.1-23-gd82d