Compilare: main.cpp: In function 'int lca(int, int)': main.cpp:61:11: warning: unused variable 'j' [-Wunused-variable] 61 | int i,j; | ^ main.cpp: In function 'void solve(std::vector<int>, int, int)': main.cpp:114:15: warning: unused variable 'j' [-Wunused-variable] 114 | int mij,i,j,total=0; | ^ main.cpp: In function 'int main()': main.cpp:166:11: warning: unused variable 'j' [-Wunused-variable] 166 | int i,j,e,x,y,c,q,l; | ^ main.cpp:166:19: warning: unused variable 'c' [-Wunused-variable] 166 | int i,j,e,x,y,c,q,l; | ^