Compilare: main.cpp: In function 'int lca(int, int)': main.cpp:76:15: warning: unused variable 'kon' [-Wunused-variable] 76 | int level,kon,e; | ^~~ main.cpp: In function 'int main()': main.cpp:104:13: warning: unused variable 'j' [-Wunused-variable] 104 | int t,i,j,x,y,c,lac,kon; | ^ main.cpp:104:19: warning: unused variable 'c' [-Wunused-variable] 104 | int t,i,j,x,y,c,lac,kon; | ^ main.cpp:104:21: warning: unused variable 'lac' [-Wunused-variable] 104 | int t,i,j,x,y,c,lac,kon; | ^~~