Submission #3786505


Source Code Expand

#include<iostream>
int main()
{
    int a,b;
    std::cin<<a<<b;
    std::cout<<b-a<<endl
    return 0;
}

Submission Info

Submission Time
Task A - 積雪深差
User luogu_bot2
Language C++ (GCC 5.4.1)
Score 0
Code Size 105 Byte
Status CE

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:5:13: error: no match for ‘operator<<’ (operand types are ‘std::istream {aka std::basic_istream<char>}’ and ‘int’)
     std::cin<<a<<b;
             ^
In file included from /usr/include/c++/5/iostream:39:0,
                 from ./Main.cpp:1:
/usr/include/c++/5/ostream:574:5: note: candidate: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const unsigned char*)
     operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
     ^
/usr/include/c++/5/ostream:574:5: note:   template argument deduction/substitution failed:
./Main.cpp:5:15: note:   ‘std::istream {aka std::basic_istream<char>}’ is not derived from ‘std::basic_ostream<char, _Traits>’
     std::cin<<a<<b;
               ^
In file included from /usr/include/c++/5/iostream:39:0,
                 from ./Main.cpp:1:
/usr/include/c++/5/ostream:569:5: note: candidate: template<class _Traits> std::basic_ostream<char, _Traits>& std:...