Compilare: main.cpp: In function 'int merge_and_count(std::vector<int>&, int, int, int)': main.cpp:92:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for (i = 0; i < temp.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:18:22: warning: 'n' is used uninitialized [-Wuninitialized] 18 | vector <int> A(n + 1), B(n + 1); | ~~^~~ main.cpp:17:9: note: 'n' declared here 17 | int n, i; | ^