Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
116826 何旻慧 06计算f(x)的值 C++ Compile Error 0 MS 0 KB 372 2025-04-12 16:35:52

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ double a,b,c,d,x; cin>>a>>b>>c>>d>>x; f(x)=a*x^3+b*x^2+c*x+d; printf("%.5lf",f(x)); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:8: error: 'f' was not declared in this scope
     f(x)=a*x^3+b*x^2+c*x+d;
        ^
Main.cc:10:18: error: invalid operands of types 'double' and 'double' to binary 'operator^'
     f(x)=a*x^3+b*x^2+c*x+d;
                  ^
Main.cc:10:15: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
     f(x)=a*x^3+b*x^2+c*x+d;
               ^