Compilare: user.cpp: In function ‘long long unsigned int cit()’: user.cpp:30:8: warning: unused variable ‘poz’ [-Wunused-variable] int poz = 0, temp = 0, cnt = 0; ^ user.cpp: In function ‘void genAll(long long unsigned int)’: user.cpp:78:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sizeof(a) / sizeof(a[0]); i++) { ^ user.cpp: In function ‘char readNextCh()’: user.cpp:21:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, 1, DIM, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:89:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dtcsu.in", "rb", stdin); ^ user.cpp:90:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dtcsu.out", "wb", stdout); ^