Compilare: main.cpp: In function 'int main()': main.cpp:11:42: warning: unused variable 'st' [-Wunused-variable] 11 | long long int n, a, b, k, v[500001], st=1, dr=1, l, s=0, fr[100001], cnt=0; | ^~ main.cpp:11:48: warning: unused variable 'dr' [-Wunused-variable] 11 | long long int n, a, b, k, v[500001], st=1, dr=1, l, s=0, fr[100001], cnt=0; | ^~ main.cpp:11:54: warning: unused variable 'l' [-Wunused-variable] 11 | long long int n, a, b, k, v[500001], st=1, dr=1, l, s=0, fr[100001], cnt=0; | ^ main.cpp:11:57: warning: unused variable 's' [-Wunused-variable] 11 | long long int n, a, b, k, v[500001], st=1, dr=1, l, s=0, fr[100001], cnt=0; | ^