Compilare: main.cpp: In function 'int main()': main.cpp:13:13: warning: unused variable 's' [-Wunused-variable] 13 | int i , s , a1 , ans , j , last , z , news; | ^ main.cpp:13:17: warning: unused variable 'a1' [-Wunused-variable] 13 | int i , s , a1 , ans , j , last , z , news; | ^~ main.cpp:13:22: warning: variable 'ans' set but not used [-Wunused-but-set-variable] 13 | int i , s , a1 , ans , j , last , z , news; | ^~~ main.cpp:13:28: warning: unused variable 'j' [-Wunused-variable] 13 | int i , s , a1 , ans , j , last , z , news; | ^ main.cpp:13:32: warning: unused variable 'last' [-Wunused-variable] 13 | int i , s , a1 , ans , j , last , z , news; | ^~~~ main.cpp:13:43: warning: unused variable 'news' [-Wunused-variable] 13 | int i , s , a1 , ans , j , last , z , news; | ^~~~