Compilare: main.cpp: In function 'void update(int, std::pair<double, double>)': main.cpp:19:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(poz <= intervale.size()) { ~~~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < interv.size(); i++) { ~~^~~~~~~~~~~~~~~ main.cpp:73:13: warning: unused variable 'low' [-Wunused-variable] int low = lower_bound(intervale.begin(), intervale.end(), q) - intervale.begin()-1; ^~~ main.cpp:81:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < intervale.size(); i++) { ~~^~~~~~~~~~~~~~~~~~