Compilare: main.cpp: In function 'void bk2(int)': main.cpp:44:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | if( dg2 == v.size() - 1) | ~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void bk(int)': main.cpp:78:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | if( dg == p.size() ) | ~~~^~~~~~~~~~~