Compilare: main.cpp: In function 'std::pair<long double, int> bin_search(const long double&, const int&)': main.cpp:73:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pos+1<w[line].size() and get_dist(0,x,D,w[line][pos+1].first)<__ans){ ~~~~~^~~~~~~~~~~~~~~ main.cpp:43:26: warning: unused variable 'temp' [-Wunused-variable] ld __ans=(ld)INT_MAX,temp; ^~~~ main.cpp:73:15: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] if(pos+1<w[line].size() and get_dist(0,x,D,w[line][pos+1].first)<__ans){ ~~~^~