Compilare: main.cpp: In function 'int Query(int, int)': main.cpp:40:1: warning: no return statement in function returning non-void [-Wreturn-type] 40 | } | ^ main.cpp: In function 'int main()': main.cpp:79:29: warning: variable 'a' set but not used [-Wunused-but-set-variable] 79 | int i1, j1, i2, j2, a, b, lca, d; | ^ main.cpp:79:32: warning: variable 'b' set but not used [-Wunused-but-set-variable] 79 | int i1, j1, i2, j2, a, b, lca, d; | ^ main.cpp:79:35: warning: unused variable 'lca' [-Wunused-variable] 79 | int i1, j1, i2, j2, a, b, lca, d; | ^~~ main.cpp:84:23: warning: 'd' may be used uninitialized [-Wmaybe-uninitialized] 84 | fcout << d << '\n'; | ^~~~ main.cpp:79:40: note: 'd' was declared here 79 | int i1, j1, i2, j2, a, b, lca, d; | ^