Submission #3786502


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++14 (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;
             ^
./Main.cpp:5:13: note: candidate: operator<<(int, int) <built-in>
./Main.cpp:5:13: note:   no known conversion for argument 1 from ‘std::istream {aka std::basic_istream<char>}’ to ‘int’
In file included from /usr/include/c++/5/iostream:39:0,
                 from ./Main.cpp:1:
/usr/include/c++/5/ostream:628:5: note: candidate: template<class _CharT, class _Traits, class _Tp> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&)
     operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x)
     ^
/usr/include/c++/5/ostream:628:5: 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<_CharT, _Traits>’
     std::cin<<a<<b;
               ^
In fil...