Compilare: main.cpp: In constructor 'Node::Node(int, int, int, bool, Node*, Node*)': main.cpp:8:16: warning: 'Node::siz' will be initialized after [-Wreorder] int key, pri, siz; ^~~ main.cpp:7:7: warning: 'bool Node::rev' [-Wreorder] bool rev; ^~~ main.cpp:11:2: warning: when initialized here [-Wreorder] Node(int _key = 0, int _pri = -1, int _siz = 0, bool _rev = false, Node* _lson = NULL, Node* _rson = NULL) : ^~~~ main.cpp: In function 'int main()': main.cpp:144:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv8.in", "r", stdin); ^ main.cpp:145:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv8.out", "w", stdout); ^ main.cpp:150:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &q, &inutil); ^ main.cpp:153:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n%c", &ch); ^ main.cpp:156:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &k, &e); ^ main.cpp:161:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &k); ^ main.cpp:166:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &le, &ri); ^ main.cpp:170:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &le, &ri); ^