puncte5.cpp: In function 'void read(int&)': puncte5.cpp:12: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result puncte5.cpp:20: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result puncte5.cpp: In function 'int main()': puncte5.cpp:26: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result