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View Compilation Error

0_0_39830426_8042.cpp:7:5: error: conflicting declaration 'int n'
    7 | int n,stp[105];
      |     ^
0_0_39830426_8042.cpp:4:19: note: previous declaration as 'const int n'
    4 | const int N=5e5+5,n=1e5,mood=1e9+7;
      |                   ^
0_0_39830426_8042.cpp: In function 'int main()':
0_0_39830426_8042.cpp:37:14: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'const int')
   37 |     while(cin>>n){
      |           ~~~^~~
      |           |    |
      |           |    const int
      |           std::istream {aka std::basic_istream<char>}
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/sstream:40,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:45,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ccomplex:39,
                 from .\stdc++.h:127:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:325:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  325 |       operator>>(void*& __p)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:325:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: invalid conversion from 'int' to 'void*' [-fpermissive]
   37 |     while(cin>>n){
      |                ^
      |                |
      |                int
0_0_39830426_8042.cpp:37:16: error: cannot bind rvalue '(void*)((long long int)((int)n))' to 'void*&'
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:224:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  224 |       operator>>(long double& __f)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:224:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:220:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  220 |       operator>>(double& __f)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:220:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:216:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  216 |       operator>>(float& __f)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:216:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:201:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  201 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:201:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:197:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  197 |       operator>>(long long& __n)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:197:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:192:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:188:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:184:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:177:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:174:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:170:7: note:   conversion of argument 1 would be ill-formed:
0_0_39830426_8042.cpp:37:16: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'int'
   37 |     while(cin>>n){
      |                ^
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
gcc-


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