Compilare: main.cpp: In function 'int main()': main.cpp:9:9: warning: unused variable 'cnt' [-Wunused-variable] { int n,cnt=0,cnt2=0,cnt3=0,nt=0; ^~~ main.cpp:9:15: warning: unused variable 'cnt2' [-Wunused-variable] { int n,cnt=0,cnt2=0,cnt3=0,nt=0; ^~~~ main.cpp:9:22: warning: unused variable 'cnt3' [-Wunused-variable] { int n,cnt=0,cnt2=0,cnt3=0,nt=0; ^~~~ main.cpp:20:21: warning: variable 'c' set but not used [-Wunused-but-set-variable] long long x,p=1,s=1,c,d,ok=0,nd=0,cnd=0; ^