Borderou de evaluare (job #396261)

Eroare de compilare: user.cpp:11:7: error: expected nested-name-specifier before ‘PI’ user.cpp:11:7: error: ‘PI’ has not been declared user.cpp:11:10: error: expected ‘;’ before ‘=’ token user.cpp:11:10: error: expected unqualified-id before ‘=’ token user.cpp:34:1: error: ‘PI’ does not name a type user.cpp: In function ‘void atribuie_sol(int, int)’: user.cpp:43:10: error: ‘PI’ was not declared in this scope user.cpp:43:13: error: expected ‘;’ before ‘i’ user.cpp:43:36: error: ‘t’ was not declared in this scope user.cpp:43:38: error: ‘i’ was not declared in this scope user.cpp: In function ‘void min_cost(Pct)’: user.cpp:71:7: error: ‘class std::set<Pct>’ has no member named ‘emplace’ user.cpp:73:5: error: ‘t’ was not declared in this scope user.cpp:90:19: error: ‘class std::set<Pct>’ has no member named ‘emplace’