Borderou de evaluare (job #446038)

Eroare de compilare: user.cpp:6:9: error: ‘pair’ does not name a type user.cpp: In function ‘int main()’: user.cpp:18:1: error: ‘ifstream’ was not declared in this scope user.cpp:18:10: error: expected ‘;’ before ‘cin’ user.cpp:20:1: error: ‘ofstream’ was not declared in this scope user.cpp:20:10: error: expected ‘;’ before ‘cout’ user.cpp:22:1: error: ‘ios_base’ has not been declared user.cpp:24:1: error: ‘cin’ was not declared in this scope user.cpp:24:13: error: ‘cout’ was not declared in this scope user.cpp:30:22: error: ‘sort’ was not declared in this scope user.cpp:33:1: error: expected ‘;’ before numeric constant user.cpp:34:15: warning: statement has no effect [-Wunused-value] user.cpp:34:17: error: ‘i’ was not declared in this scope user.cpp:34:31: error: expected ‘;’ before ‘)’ token user.cpp:47:1: error: expected ‘;’ before numeric constant user.cpp:48:55: warning: statement has no effect [-Wunused-value] user.cpp:50:1: error: expected ‘;’ before ‘cout’ user.cpp:50:12: warning: statement has no effect [-Wunused-value] user.cpp:53:1: error: expected ‘;’ before numeric constant user.cpp:54:9: warning: statement has no effect [-Wunused-value] user.cpp:56:1: error: expected ‘;’ before ‘}’ token user.cpp:56:1: warning: statement has no effect [-Wunused-value]