Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
135361 ggh 06计算f(x)的值 C++ Compile Error 0 MS 0 KB 376 2025-11-03 17:05:02

Tests(0/0):

Code:

#include <iomanip> #include <cmath> using namespace std; int main() { double x, a, b, c, d; // 读取输入参数 cin >> x >> a >> b >> c >> d; // 计算多项式值: f(x) = a*x^3 + b*x^2 + c*x + d double result = a * pow(x, 3) + b * pow(x, 2) + c * x + d; // 设置输出精度为小数点后5位 cout << fixed << s

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:5: error: 'cin' was not declared in this scope
     cin >> x >> a >> b >> c >> d;
     ^
Main.cc:16:5: error: 'cout' was not declared in this scope
     cout << fixed << s
     ^
Main.cc:16:22: error: 's' was not declared in this scope
     cout << fixed << s
                      ^
Main.cc:13:12: warning: unused variable 'result' [-Wunused-variable]
     double result = a * pow(x, 3) + b * pow(x, 2) + c * x + d;
            ^
Main.cc:16:22: error: expected '}' at end of input
     cout << fixed << s
                      ^