Compilare: main.cpp: In function 'int aparitii(int)': main.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(i = 0; i < pozitii[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:48:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(i = 0; i < intervale.size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:36:15: warning: unused variable 'm' [-Wunused-variable] 36 | int n, i, m, j, op, a; | ^ main.cpp:36:18: warning: unused variable 'j' [-Wunused-variable] 36 | int n, i, m, j, op, a; | ^