Compilare: user.cpp: In function ‘long long int search(long long int, long long int, long long int, long long int, long long int)’: user.cpp:9:20: warning: unused variable ‘sol1’ [-Wunused-variable] long long mid, sol1, sol2, rez; ^~~~ user.cpp:9:26: warning: unused variable ‘sol2’ [-Wunused-variable] long long mid, sol1, sol2, rez; ^~~~ user.cpp: In function ‘int main()’: user.cpp:22:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taste.in","r",stdin); ^ user.cpp:23:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taste.out","w",stdout); ^