Eroare de compilare: main.cpp: In function 'void Back(int)': main.cpp:49:10: error: expected primary-expression before ']' token 49 | if(b[]) | ^ main.cpp:51:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | if (k == Meciuri.size()) | ~~^~~~~~~~~~~~~~~~~ main.cpp:49:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 49 | if(b[]) | ^ Non zero exit status: 1