Compilare: main.cpp: In function 'int main()': main.cpp:55:17: warning: unused variable 'y' [-Wunused-variable] 55 | int n,q,i,x,y,a,b,lca1,lca2,ans,t1,t2; | ^ main.cpp:55:23: warning: unused variable 'lca1' [-Wunused-variable] 55 | int n,q,i,x,y,a,b,lca1,lca2,ans,t1,t2; | ^~~~ main.cpp:55:28: warning: unused variable 'lca2' [-Wunused-variable] 55 | int n,q,i,x,y,a,b,lca1,lca2,ans,t1,t2; | ^~~~ main.cpp:55:33: warning: unused variable 'ans' [-Wunused-variable] 55 | int n,q,i,x,y,a,b,lca1,lca2,ans,t1,t2; | ^~~ main.cpp:55:37: warning: unused variable 't1' [-Wunused-variable] 55 | int n,q,i,x,y,a,b,lca1,lca2,ans,t1,t2; | ^~ main.cpp:55:40: warning: unused variable 't2' [-Wunused-variable] 55 | int n,q,i,x,y,a,b,lca1,lca2,ans,t1,t2; | ^~