Compilare: main.cpp: In function 'int lca(int, int)': main.cpp:119:11: warning: unused variable 'j' [-Wunused-variable] 119 | int i,j; | ^ main.cpp: In function 'void solve(std::vector<int>, int, int)': main.cpp:172:15: warning: unused variable 'j' [-Wunused-variable] 172 | int mij,i,j,total=0; | ^ main.cpp: In function 'int main()': main.cpp:224:11: warning: unused variable 'j' [-Wunused-variable] 224 | int i,j,e,x,y,c,q,l; | ^ main.cpp:224:19: warning: unused variable 'c' [-Wunused-variable] 224 | int i,j,e,x,y,c,q,l; | ^