Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
6883 侯宜辰 06计算f(x)的值 C++ Compile Error 0 MS 0 KB 343 2025-03-22 20:37:45

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(){ int x,a,b,c,d; cin>>x>>a>>b>>c>>d; cout<<a*x^3+b*x^2+c*x+d; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:14: error: no match for 'operator^' (operand types are 'std::basic_ostream' and 'int')
     cout' to 'std::_Ios_Fmtflags'
/usr/include/c++/4.8.2/bits/ios_base.h:123:3: note: constexpr std::_Ios_Openmode std::operator^(std::_Ios_Openmode, std::_Ios_Openmode)
   operator^(_Ios_Openmode __a, _Ios_Openmode __b)
   ^
/usr/include/c++/4.8.2/bits/ios_base.h:123:3: note:   no known conversion for argument 1 from 'std::basic_ostream' to 'std::_Ios_Openmode'
/usr/include/c++/4.8.2/bits/ios_base.h:161:3: note: constexpr std::_Ios_Iostate std::operator^(std::_Ios_Iostate, std::_Ios_Iostate)
   operator^(_Ios_Iostate __a, _Ios_Iostate __b)
   ^
/usr/include/c++/4.8.2/bits/ios_base.h:161:3: note:   no known conversion for argument 1 from 'std::basic_ostream' to 'std::_Ios_Iostate'
Main.cc:10:16: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
     cout<a*x^3+b*x^2+c*x+d;
                ^