Compilare: user.cpp: In function ‘int bs(int)’: user.cpp:20:41: warning: unused variable ‘sol’ [-Wunused-variable] int left = 0, right = V.size() - 1, sol = right + 1, mid; ^~~ user.cpp: In function ‘void Solve()’: user.cpp:81:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Ans[i] + step > V.size() - 1) ~~~~~~~~~~~~~~^~~~~~~~~~~~~~ user.cpp:89:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < Event.size(); j++) ~~^~~~~~~~~~~~~~ user.cpp:94:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < P[point].size(); j++) ~~^~~~~~~~~~~~~~~~~