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View Compilation Error

0_0_38899629_31562.cpp: In function 'int main()':
0_0_38899629_31562.cpp:123:12: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
  123 |     while (cin >> n) {
      |            ^~~
      |            std::cin
In file included from .\stdc++.h:146:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~


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