Compilare: user.cpp: In function ‘int main()’: user.cpp:4:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define MAX (1 << 31) ^ user.cpp:22:41: note: in expansion of macro ‘MAX’ for(unsigned int masca = 1; masca < MAX; masca *= 2) ^ user.cpp:14:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d ", &n); ^ user.cpp:19:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d ", &v[i]); ^