C++ 编程挑战：数字迷宫探索

#include\u003ciostream\u003e\nusing namespace std;\n\nint main() {\n int n;\n cin \u003e\u003e n;\n \n int count = 0;\n while(n != 0) {\n n = n / 2;\n count++;\n }\n \n cout \u003c\u003c count \u003c\u003c endl;\n \n return 0;\n}