Compilare: main.cpp: In function 'int main()': main.cpp:74:28: warning: unused variable 'j' [-Wunused-variable] ll i , s1 , s2 , poz , j; ^ main.cpp:72:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("biscuiti.in" , "r" , stdin); ^ main.cpp:73:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("biscuiti.out" , "w" , stdout); ^ main.cpp:75:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld" , &n); ^ main.cpp:79:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld" , &v[i]); ^