From dcaa8ec964cf391bf4773a934b7276ed30250828 Mon Sep 17 00:00:00 2001 From: Lam Haoyin Date: Mon, 31 Jan 2022 13:20:39 +0800 Subject: [PATCH] add: 220131-CN --- 2201/220131-CN.cpp | 17 +++++++++++++++++ 2201/CMakeLists.txt | 2 +- 2 files changed, 18 insertions(+), 1 deletion(-) create mode 100644 2201/220131-CN.cpp diff --git a/2201/220131-CN.cpp b/2201/220131-CN.cpp new file mode 100644 index 0000000..d78d59b --- /dev/null +++ b/2201/220131-CN.cpp @@ -0,0 +1,17 @@ +#include + +class Solution { +public: + static constexpr int numberOfSteps(int num) { + int ret = 0; + for (; num & 0xFFFFFFFE; num >>= 1) + ret += 1 + (num & 1); + return ret + num; + } +}; + +int main() { + std::printf("%d\n", Solution::numberOfSteps(14)); + std::printf("%d\n", Solution::numberOfSteps(8)); + std::printf("%d\n", Solution::numberOfSteps(123)); +} \ No newline at end of file diff --git a/2201/CMakeLists.txt b/2201/CMakeLists.txt index a3db28d..05a02eb 100644 --- a/2201/CMakeLists.txt +++ b/2201/CMakeLists.txt @@ -3,4 +3,4 @@ PROJECT(2201) SET(CMAKE_CXX_STANDARD 23) -ADD_EXECUTABLE(2201 220130-CN.cpp) +ADD_EXECUTABLE(2201 220131-CN.cpp)