Compilare: main.cpp: In function 'int main()': main.cpp:89:24: warning: unused variable 'j' [-Wunused-variable] 89 | long long n,a,b,i,j,k,l,t,op,st,mij,dr; | ^ main.cpp:89:26: warning: unused variable 'k' [-Wunused-variable] 89 | long long n,a,b,i,j,k,l,t,op,st,mij,dr; | ^ main.cpp:89:28: warning: unused variable 'l' [-Wunused-variable] 89 | long long n,a,b,i,j,k,l,t,op,st,mij,dr; | ^ main.cpp:89:35: warning: unused variable 'st' [-Wunused-variable] 89 | long long n,a,b,i,j,k,l,t,op,st,mij,dr; | ^~ main.cpp:89:38: warning: unused variable 'mij' [-Wunused-variable] 89 | long long n,a,b,i,j,k,l,t,op,st,mij,dr; | ^~~ main.cpp:89:42: warning: unused variable 'dr' [-Wunused-variable] 89 | long long n,a,b,i,j,k,l,t,op,st,mij,dr; | ^~