Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
135323 余秋烨 06计算f(x)的值 C++ Compile Error 0 MS 0 KB 367 2025-11-03 16:57:58

Tests(0/0):

Code:

#include <iomanip> using namespace std; int main() { double x, a, b, c, d; cin >> x >> a >> b >> c >> d; // 计算 f(x) = a*x^3 + b*x^2 + c*x + d double result = a * x * x * x + b * x * x + c * x + d; // 设置输出精度为小数点后5位 cout << fixed << setprecision(5) << result << endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:5: error: 'cin' was not declared in this scope
     cin >> x >> a >> b >> c >> d;
     ^
Main.cc:13:5: error: 'cout' was not declared in this scope
     cout << fixed << setprecision(5) << result << endl;
     ^
Main.cc:13:51: error: 'endl' was not declared in this scope
     cout << fixed << setprecision(5) << result << endl;
                                                   ^