Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
159511 解禾溪 09优惠活动 C++ Compile Error 0 MS 0 KB 460 2026-09-04 19:32:28

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 a,b,P,G,S; cin<<a<<b; if(b==P){ cout<<a<<a*0.7; } else if(b==G){ cout<<a<<a*0.8; } else if(b==S){ cout<<a<<a*0.9; } else{ cout<<a<<a*0.95; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:9:5: error: no match for 'operator<<' (operand types are 'std::istream {aka std::basic_istream}' and 'int')
  cin<
Main.cc:9:5: note:   no known conversion for argument 1 from 'std::istream {aka std::basic_istream}' to 'int'
In file included from /usr/include/c++/5/string:52:0,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/basic_string.h:5172:5: note: candidate: template std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator<<(basic_ostream<_CharT, _Traits>& __os,
     ^
/usr/include/c++/5/bits/basic_string.h:5172:5: note:   template argument deduction/substitution failed:
Main.cc:9:7: note:   'std::istream {aka std::basic_istream}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
  cin<