Compilare: user.cpp: In function ‘int main()’: user.cpp:15:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("orase1.in", "r", stdin); ^ user.cpp:16:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("orase1.out", "w", stdout); ^ user.cpp: In function ‘void Next()’: user.cpp:83:44: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] std::fread(S, 1, Lim, stdin), u = 0; ^ user.cpp: In function ‘int NrCentre(int)’: user.cpp:46:18: warning: ‘soli’ may be used uninitialized in this function [-Wmaybe-uninitialized] int st,dr,mj,o,soli,solj = -1,nrc = 1; ^