Borderou de evaluare (job #436152)

Eroare de compilare: user.cpp:4:13: error: redefinition of ‘std::ifstream cin’ user.cpp:3:10: error: ‘std::ifstream cin’ previously declared here user.cpp: In function ‘int main()’: user.cpp:9:8: error: expected initializer before ‘>>’ token user.cpp:10:9: error: ‘i’ was not declared in this scope user.cpp:10:16: error: ‘n’ was not declared in this scope user.cpp:11:9: error: ‘v’ was not declared in this scope user.cpp:12:5: error: ‘r’ was not declared in this scope user.cpp:12:7: error: ‘n’ was not declared in this scope user.cpp:13:9: error: ‘i’ was not declared in this scope user.cpp:13:16: error: ‘k’ was not declared in this scope user.cpp:15:9: error: ‘v’ was not declared in this scope user.cpp:16:13: error: ‘j’ was not declared in this scope user.cpp:16:17: error: ‘x’ was not declared in this scope user.cpp:18:9: error: ‘cr’ was not declared in this scope user.cpp:20:13: error: ‘j’ was not declared in this scope