Compilare: user.cpp: In function ‘int main()’: user.cpp:26:7: warning: variable ‘part1’ set but not used [-Wunused-but-set-variable] int part1 = fst_part; ^ user.cpp:27:7: warning: variable ‘part2’ set but not used [-Wunused-but-set-variable] int part2 = lst_part; ^ user.cpp:9:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("3secv.in", "r", stdin); ^ user.cpp:10:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("3secv.out", "w", stdout); ^ user.cpp:110:8: warning: ‘snd’ may be used uninitialized in this function [-Wmaybe-uninitialized] --snd; ^