Compilare: user.cpp: In function ‘void Adauga(int)’: user.cpp:33:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] afisare[sza++] = nr[sz]; ^ user.cpp:36:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] afisare[sza++] = ' '; ^ user.cpp: In function ‘int main()’: user.cpp:113:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algoritm.in", "r", stdin); ^ user.cpp:114:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 1, LG, stdin); ^ user.cpp: In function ‘void Citeste(int&)’: user.cpp:46:40: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 1, LG, stdin); ^ user.cpp:57:40: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 1, LG, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:33:32: warning: ‘nr[0]’ may be used uninitialized in this function [-Wmaybe-uninitialized] afisare[sza++] = nr[sz]; ^ user.cpp:24:10: note: ‘nr[0]’ was declared here char nr[10]; ^