Compilare: main.cpp: In function 'void arrange(int)': main.cpp:31:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | if (i * 2 + 1 >= V.size()) | ~~~~~~~~~~^~~~~~~~~~~ main.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | if ((i * 2 + 2 == V.size()) || st < V[i * 2 + 2]){ | ~~~~~~~~~~^~~~~~~~~~~ main.cpp: In function 'void erase(int)': main.cpp:60:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for (i = 0; i < Poz.size(); i++) { | ~~^~~~~~~~~~~~