Compilare: user.cpp: In function ‘int main()’: user.cpp:111:9: warning: unused variable ‘finish’ [-Wunused-variable] int finish = total / 2; ^ user.cpp:70:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("suma3.in", "r", stdin); ^ user.cpp:71:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("suma3.out", "w", stdout); ^ user.cpp: In function ‘void Cit(int&)’: user.cpp:17:57: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++pz == DIM) fread(ax, 1, DIM, stdin), pz = 0; ^ user.cpp:21:57: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++pz == DIM) fread(ax, 1, DIM, stdin), pz = 0; ^