Compilare: main.cpp: In member function 'void RedBlackTree::fixUp(RedBlackTree::RedBlackTreeNode*)': main.cpp:120:31: warning: variable 'uncle' set but not used [-Wunused-but-set-variable] RedBlackTreeNode *uncle; ^~~~~ main.cpp: In member function 'void RedBlackTree::doubleBlack(RedBlackTree::RedBlackTreeNode*)': main.cpp:219:14: warning: unused variable 'hasGrandParent' [-Wunused-variable] bool hasGrandParent = false; ^~~~~~~~~~~~~~ main.cpp: In member function 'void RedBlackTree::fixUp(RedBlackTree::RedBlackTreeNode*)': main.cpp:56:16: warning: 'A' may be used uninitialized in this function [-Wmaybe-uninitialized] *A = node; ~~~^~~~~~ main.cpp:30:28: note: 'A' was declared here RedBlackTreeNode **A; ^ main.cpp:92:16: warning: 'A' may be used uninitialized in this function [-Wmaybe-uninitialized] *A = node; ~~~^~~~~~ main.cpp:68:28: note: 'A' was declared here RedBlackTreeNode **A; ^ main.cpp: In member function 'void RedBlackTree::doubleBlack(RedBlackTree::RedBlackTreeNode*)': main.cpp:92:16: warning: 'A' may be used uninitialized in this function [-Wmaybe-uninitialized] *A = node; ~~~^~~~~~ main.cpp:68:28: note: 'A' was declared here RedBlackTreeNode **A; ^ main.cpp:56:16: warning: 'A' may be used uninitialized in this function [-Wmaybe-uninitialized] *A = node; ~~~^~~~~~ main.cpp:30:28: note: 'A' was declared here RedBlackTreeNode **A; ^ main.cpp:92:16: warning: 'A' may be used uninitialized in this function [-Wmaybe-uninitialized] *A = node; ~~~^~~~~~ main.cpp:68:28: note: 'A' was declared here RedBlackTreeNode **A; ^ main.cpp:56:16: warning: 'A' may be used uninitialized in this function [-Wmaybe-uninitialized] *A = node; ~~~^~~~~~ main.cpp:30:28: note: 'A' was declared here RedBlackTreeNode **A; ^ main.cpp:92:16: warning: 'A' may be used uninitialized in this function [-Wmaybe-uninitialized] *A = node; ~~~^~~~~~ main.cpp:68:28: note: 'A' was declared here