Compilare: user.cpp: In function ‘int ins_bin(int, int, int)’: user.cpp:3:15: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] #define mare 1<<31-1; ^ user.cpp:19:14: note: in expansion of macro ‘mare’ q[++nq+1]=mare; ^ user.cpp: In function ‘void creare_pq()’: user.cpp:3:15: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] #define mare 1<<31-1; ^ user.cpp:31:7: note: in expansion of macro ‘mare’ q[1]=mare; ^ user.cpp: In function ‘void citire()’: user.cpp:10:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scmax.in","rt",stdin); ^ user.cpp:11:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:13:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp: In function ‘void scriu_sol()’: user.cpp:44:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scmax.out","wt",stdout); ^