Compilare: user.cpp: In function ‘int main()’: user.cpp:78:21: warning: variable ‘p’ set but not used [-Wunused-but-set-variable] Obj p = *H.begin(); ^ user.cpp:117:25: warning: variable ‘t’ set but not used [-Wunused-but-set-variable] Obj t = *it; ^ user.cpp:141:22: warning: variable ‘it’ set but not used [-Wunused-but-set-variable] auto it = Pass.find({ev.e.l, ev.e.r, ev.e.id}); ^ user.cpp:48:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:51:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &T[i].l, &T[i].r); ^ user.cpp:57:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &P[i].l, &P[i].r); ^