Compilare: main.cpp: In function 'void heap_up(int)': main.cpp:27:9: warning: unused variable 'x_init' [-Wunused-variable] int x_init = x; ^~~~~~ main.cpp:29:9: warning: unused variable 'val_ordine' [-Wunused-variable] int val_ordine = ordine[x]; ^~~~~~~~~~ main.cpp: In function 'void heap_down(int)': main.cpp:44:9: warning: unused variable 'x_init' [-Wunused-variable] int x_init = x; ^~~~~~ main.cpp: In function 'int find_position(int)': main.cpp:72:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:77:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("heapuri.in", "r", stdin); ^ main.cpp:78:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("heapuri.out", "w", stdout); ^ main.cpp:83:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:85:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &operatie); ^ main.cpp:87:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^ main.cpp:95:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^