Compilare: main.cpp: In member function 'void segmentTree::updateUtil(int, int, int, int, int)': main.cpp:106:9: warning: unused variable 'leftChild' [-Wunused-variable] 106 | int leftChild = node * 2; | ^~~~~~~~~ main.cpp:107:9: warning: unused variable 'rightChild' [-Wunused-variable] 107 | int rightChild = node * 2 + 1; | ^~~~~~~~~~ main.cpp: In member function 'int segmentTree::query(int, int, colors, int)': main.cpp:158:22: warning: control reaches end of non-void function [-Wreturn-type] 158 | map < int, int > M; | ^