Compilare: main.cpp: In function 'int main()': main.cpp:21:14: warning: unused variable 'a' [-Wunused-variable] 21 | int n,m,qq,a,st,dr,mij,maxx; | ^ main.cpp:21:16: warning: unused variable 'st' [-Wunused-variable] 21 | int n,m,qq,a,st,dr,mij,maxx; | ^~ main.cpp:21:19: warning: unused variable 'dr' [-Wunused-variable] 21 | int n,m,qq,a,st,dr,mij,maxx; | ^~ main.cpp:21:22: warning: unused variable 'mij' [-Wunused-variable] 21 | int n,m,qq,a,st,dr,mij,maxx; | ^~~