Compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, std::pair<_T1, _T2>)': main.cpp:8:36: warning: no return statement in function returning non-void [-Wreturn-type] ifstream in("recurenta2.in"); ^ main.cpp: In function 'std::ostream& operator<<(std::ostream&, const Container<Types ...>&)': main.cpp:9:85: warning: this 'for' clause does not guard... [-Wmisleading-indentation] ofstream out("recurenta2.out"); ^ main.cpp:10:26: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' const int P = 666013; ^