Compilare: user.cpp: In function ‘int query(int, int)’: user.cpp:32:9: warning: unused variable ‘nr_bloc’ [-Wunused-variable] int nr_bloc = N/lung_bloc; ^ user.cpp: In function ‘int main()’: user.cpp:120:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.in","r", stdin); ^ user.cpp:121:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.out","w", stdout); ^ user.cpp:123:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:125:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &A[i]); ^