Compilare: main.cpp: In function 'int main()': main.cpp:72:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (b > r) ~~^~~ main.cpp:80:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (ans[it1] > b) ~~~~~~~~~^~~ main.cpp:71:12: warning: unused variable 'l' [-Wunused-variable] ll l = v[0].x, r = v[n].x; ^ main.cpp:51:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:56:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%llu", &x); ^