Compilare: user.cpp: In function ‘void Adauga(int)’: user.cpp:47:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] afisare[sza++] = nr[sz]; ^ user.cpp:50:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] afisare[sza++] = ' '; ^ user.cpp: In function ‘int main()’: user.cpp:127:39: 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:128:32: 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:60:40: 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:71:40: 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:47:32: warning: ‘nr[0]’ may be used uninitialized in this function [-Wmaybe-uninitialized] afisare[sza++] = nr[sz]; ^ user.cpp:38:10: note: ‘nr[0]’ was declared here char nr[10]; ^