Compilare: main.cpp: In function 'int query_5(Node*, int)': main.cpp:195:1: warning: control reaches end of non-void function [-Wreturn-type] 195 | } | ^ main.cpp: In function 'std::vector<int> merge(std::vector<int>, std::vector<int>)': main.cpp:17:15: warning: 'i' is used uninitialized [-Wuninitialized] 17 | while ( i < n && j < m ){ | ~~^~~ main.cpp:16:9: note: 'i' was declared here 16 | int i, j = 0; | ^