Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
131672 万嘉宇 [在线测评解答教程] 求和 C++ Compile Error 0 MS 0 KB 405 2025-09-30 19:57:31

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 n; cin>n; for(int i=1;i<=n;i++){ i+=i; } cout<<i; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:8:8: error: no match for 'operator>' (operand types are 'std::istream {aka std::basic_istream}' and 'int')
     cin>n;
        ^
Main.cc:8:8: note: candidate: operator>(int, int) 
Main.cc:8:8: note:   no known conversion for argument 1 from 'std::istream {aka std::basic_istream}' to 'int'
In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_pair.h:233:5: note: candidate: template constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
     operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
     ^
/usr/include/c++/5/bits/stl_pair.h:233:5: note:   template argument deduction/substitution failed:
Main.cc:8:9: note:   'std::istream {aka std::basic_istream}' is not derived from 'const std::pair<_T1, _T2>'
     cin>n;
         ^
In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_iterator.h:310:5: note: candidate: template bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator>(const reverse_iterator<_Iterator>& __x,
     ^
/usr/include/c++/5/bits/stl_iterator.h:310:5: note:   template argument deduction/substitution failed:
Main.cc:8:9: note:   'std::istream {aka std::basic_istream}' is not derived from 'const std::reverse_iterator<_Iterator>'
     cin>n;
         ^
In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_iterator.h:360:5: note: candidate: template bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator>(const reverse_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/5/bits/stl_iterator.h:360:5: note:   template argument deduction/substitution failed:
Main.cc:8:9: note:   'std::istream {aka std::basic_istream}' is not derived from 'const std::reverse_iterator<_Iterator>'
     cin>n;
         ^
In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_iterator.h:1113:5: note: candidate: template bool std::operator>(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&)
     operator>(const move_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/5/bits/stl_iterator.h:1113:5: note:   template argument deduction/substitution failed:
Main.cc:8:9: note:   'std::istream {aka std::basic_istream}' is not derived from 'const std::move_iterator<_Iterator>'
     cin>n;
         ^
In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/5/bits/char_traits.h:39,
                 from /usr/include/c++/5/ios:40,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_iterator.h:1119:5: note: candidate: template bool std::operator>(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
     operator>(const move_iterator<_Iterator>& __x,
     ^
/usr/include/c++/5/bits/stl_iterator.h:1119:5: note:   template argument deduction/substitution failed:
Main.cc:8:9: note:   'std::istream {aka std::basic_istream}' is not derived from 'const std::move_iterator<_Iterator>'
     cin>n;
         ^
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:5024:5: note: candidate: template bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^
/usr/include/c++/5/bits/basic_string.h:5024:5: note:   template argument deduction/substitution failed:
Main.cc:8:9: note:   'std::istream {aka std::basic_istream}' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
     cin>n;
         ^
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:5036:5: note: candidate: template bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^
/usr/include/c++/5/bits/basic_string.h:5036:5: note:   template argument deduction/substitution failed:
Main.cc:8:9: note:   'std::istream {aka std::basic_istream}' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
     cin>n;
         ^
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:5048:5: note: candidate: template bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator>(const _CharT* __lhs,
     ^
/usr/include/c++/5/bits/basic_string.h:5048:5: note:   template argument deduction/substitution failed:
Main.cc:8:9: note:   mismatched types 'const _CharT*' and 'std::basic_istream'
     cin>n;
         ^
Main.cc:12:11: error: 'i' was not declared in this scope
     cout<