Compilare: user.cpp: In function ‘void make(int, int, int)’: user.cpp:68:9: warning: unused variable ‘sz’ [-Wunused-variable] int sz = r - l + 1; ^ user.cpp: In function ‘int main()’: user.cpp:78:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("comisia.in","r",stdin); ^ user.cpp:79:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("comisia.out","w",stdout); ^