Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
101798 彭士宝 12自由落体 C++ Compile Error 0 MS 0 KB 256 2024-12-18 21:18:10

Tests(0/0):

Code:

#include <iostream> #include <iomanip> // 用于设置输出精度 using namespace std; int main() { double iq = 100.0; int b = 10; double iq = iq / pow(2, b - 1); cout << fixed << setprecision(6) << iq << endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:8:12: error: redeclaration of 'double iq'
     double iq = iq / pow(2, b - 1);
            ^
Main.cc:6:12: note: 'double iq' previously declared here
     double iq = 100.0;
            ^
Main.cc:8:34: error: 'pow' was not declared in this scope
     double iq = iq / pow(2, b - 1);
                                  ^